PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS16625C-31Ring,retaining

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5325-00-812-5398 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-812-5398 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-812-5398. Primary manufacturer part number: MS16625C-31.
Features
  • Ring,retaining — FSC 5325
  • Usage Design: INTERNAL
  • Casehardening Indicator: NOT CASEHARDENED
  • Ring Style: INTERNAL
  • Material Document and Classification: FED STD 66, COMP 1060 FED STD 1ST MATERIAL RESPONSE OR FED STD 66, COMP 1061 FED STD 2ND MATERIAL RESPONSE OR FED STD 66, COMP 1064 FED STD 3RD MATERIAL RESPONSE OR FED STD 66, COMP 1065 FED STD 4TH MATERIAL RESPONSE OR FED STD 66, COMP 1066 FED STD 5TH MATERIAL RESPONSE OR FED STD 66, COMP 1069 FED STD 6TH MATERIAL RESPONSE OR FED STD 66, COMP 1070 FED STD 7TH MATERIAL RESPONSE OR FED STD 66, COMP 1072 FED STD 8TH MATERIAL RESPONSE OR FED STD 66, COMP 1074 FED STD 9TH MATERIAL RESPONSE OR FED STD 66, COMP 1075 FED STD 10TH MATERIAL RESPONSE OR FED STD 66, COMP 1078 FED STD 11TH MATERIAL RESPONSE OR FED STD 66, COMP 1080 FED STD 12TH MATERIAL RESPONSE OR FED STD 66, COMP 1084 FED STD 13TH MATERIAL RESPONSE OR FED STD 66, COMP 1085 FED STD 14TH MATERIAL RESPONSE OR FED STD 66, COMP 1086 FED STD 15TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 16TH MATERIAL RESPONSE
  • Material: STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090
  • Major Thickness: 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
  • Outside Diameter: 0.341 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Comp 1060 or Steel Comp 1561 or Steel Comp 1064 or Steel Comp 1065 or Steel Comp 1566 or Steel Comp 1069 or Steel Comp 1070 or Steel Comp 1572 or Steel Comp 1074 or Steel Comp 1075 or Steel Comp 1078 or Steel Comp 1080 or Steel Comp 1085 or Steel Comp 1086 or Steel Comp 1090 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-812-5398, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-812-5398
Primary Part NumberMS16625C-31
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Usage DesignINTERNAL
Casehardening IndicatorNOT CASEHARDENED
Ring StyleINTERNAL
Material Document and ClassificationFED STD 66, COMP 1060 FED STD 1ST MATERIAL RESPONSE OR FED STD 66, COMP 1061 FED STD 2ND MATERIAL RESPONSE OR FED STD 66, COMP 1064 FED STD 3RD MATERIAL RESPONSE OR FED STD 66, COMP 1065 FED STD 4TH MATERIAL RESPONSE OR FED STD 66, COMP 1066 FED STD 5TH MATERIAL RESPONSE OR FED STD 66, COMP 1069 FED STD 6TH MATERIAL RESPONSE OR FED STD 66, COMP 1070 FED STD 7TH MATERIAL RESPONSE OR FED STD 66, COMP 1072 FED STD 8TH MATERIAL RESPONSE OR FED STD 66, COMP 1074 FED STD 9TH MATERIAL RESPONSE OR FED STD 66, COMP 1075 FED STD 10TH MATERIAL RESPONSE OR FED STD 66, COMP 1078 FED STD 11TH MATERIAL RESPONSE OR FED STD 66, COMP 1080 FED STD 12TH MATERIAL RESPONSE OR FED STD 66, COMP 1084 FED STD 13TH MATERIAL RESPONSE OR FED STD 66, COMP 1085 FED STD 14TH MATERIAL RESPONSE OR FED STD 66, COMP 1086 FED STD 15TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 16TH MATERIAL RESPONSE
MaterialSTEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090
Major Thickness0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
Outside Diameter0.341 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5325-00-804-9732 INTERCHANGEABLE
Ring,retaining
5325-00-807-7968 INTERCHANGEABLE
Ring,retaining
Cross-Reference Index
Part NumberManufacturer
N1300-31 Seeger Inc Anderton-United Products Div (USA)
N5000-31 Truarc Company Llc Dba Waldes Truarc (USA)
MS16625-31 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
NAS669-31N National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MIL-R-21248B TY 1 CL 1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS16625C-31 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5325-00-804-9732INTERCHANGEABLE
RING,RETAINING
5325-00-807-7968INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 5325-00-812-5398?

NSN 5325-00-812-5398 is a Ring,retaining, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-812-5398?

NSN 5325-00-812-5398 has 6 cross-referenced part numbers: N1300-31 (Seeger Inc Anderton-United Products Div), N5000-31 (Truarc Company Llc Dba Waldes Truarc), MS16625-31 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), NAS669-31N (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MIL-R-21248B TY 1 CL 1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5325-00-812-5398?

There are 2 known substitutes for 5325-00-812-5398: 5325-00-804-9732, 5325-00-807-7968. Verify interchangeability with system specifications before substitution.

What are the specifications of MS16625C-31?

Key specifications for MS16625C-31: Usage Design: INTERNAL; Casehardening Indicator: NOT CASEHARDENED; Ring Style: INTERNAL; Material Document and Classification: FED STD 66, COMP 1060 FED STD 1ST MATERIAL RESPONSE OR FED STD 66, COMP 1061 FED STD 2ND MATERIAL RESPONSE OR FED STD 66, COMP 1064 FED STD 3RD MATERIAL RESPONSE OR FED STD 66, COMP 1065 FED STD 4TH MATERIAL RESPONSE OR FED STD 66, COMP 1066 FED STD 5TH MATERIAL RESPONSE OR FED STD 66, COMP 1069 FED STD 6TH MATERIAL RESPONSE OR FED STD 66, COMP 1070 FED STD 7TH MATERIAL RESPONSE OR FED STD 66, COMP 1072 FED STD 8TH MATERIAL RESPONSE OR FED STD 66, COMP 1074 FED STD 9TH MATERIAL RESPONSE OR FED STD 66, COMP 1075 FED STD 10TH MATERIAL RESPONSE OR FED STD 66, COMP 1078 FED STD 11TH MATERIAL RESPONSE OR FED STD 66, COMP 1080 FED STD 12TH MATERIAL RESPONSE OR FED STD 66, COMP 1084 FED STD 13TH MATERIAL RESPONSE OR FED STD 66, COMP 1085 FED STD 14TH MATERIAL RESPONSE OR FED STD 66, COMP 1086 FED STD 15TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 16TH MATERIAL RESPONSE. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-812-5398 still in active supply?

NSN 5325-00-812-5398 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com