PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS16625-1387Ring,retaining

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5325-00-260-4882 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-260-4882 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-260-4882. Primary manufacturer part number: MS16625-1387.
Features
  • Ring,retaining — FSC 5325
  • Material: STEEL
  • Surface Treatment: CADMIUM AND CHROMATE
  • Material Document and Classification: FED STD 66,1066 TO 1090 FED STD SINGLE MATERIAL RESPONSE
  • Material Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
  • Ring Style: INTERNAL
  • Usage Design: INTERNAL
  • Major Thickness: 0.106 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-260-4882, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 10 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-260-4882
Primary Part NumberMS16625-1387
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
MaterialSTEEL
Surface TreatmentCADMIUM AND CHROMATE
Material Document and ClassificationFED STD 66,1066 TO 1090 FED STD SINGLE MATERIAL RESPONSE
Material Hardness Rating45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
Ring StyleINTERNAL
Usage DesignINTERNAL
Major Thickness0.106 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
Outside Diameter4.185 INCHES MINIMUM AND 4.235 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5331-00-148-1409F37030-242 INTERCHANGEABLE
O-Ring
Funk Mfg Co Sub of Deere and Co
5330-00-694-51274S7805 INTERCHANGEABLE
Seal,plain Encased
Caterpillar Inc Div Caterpillar Defense
6150-01-195-91167224-2 INTERCHANGEABLE
Cable Assembly,power,electrical
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
1560-01-714-300772242 INTERCHANGEABLE
Tip,aircraft
Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
MS16625-1387 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-21248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3000-X387-ST-CD Truarc Co Llc (USA)
MS16624C-1375 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
N1300-387CD Seeger Inc Anderton-United Products Div (USA)
72242 Scientific Atlanta Inc (USA)
Related Parts
5331-00-148-1409INTERCHANGEABLE
O-RING
F37030-242
5330-00-694-5127INTERCHANGEABLE
SEAL,PLAIN ENCASED
4S7805
6150-01-195-9116INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
7224-2
1560-01-714-3007INTERCHANGEABLE
TIP,AIRCRAFT
72242

Frequently Asked Questions

What is NSN 5325-00-260-4882?

NSN 5325-00-260-4882 is a Ring,retaining, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-260-4882?

NSN 5325-00-260-4882 has 6 cross-referenced part numbers: MS16625-1387 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-21248 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 3000-X387-ST-CD (Truarc Co Llc), MS16624C-1375 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), N1300-387CD (Seeger Inc Anderton-United Products Div) and 1 more.

What NSN replaces 5325-00-260-4882?

There are 4 known substitutes for 5325-00-260-4882: 5331-00-148-1409, 5330-00-694-5127, 6150-01-195-9116 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS16625-1387?

Key specifications for MS16625-1387: Material: STEEL; Surface Treatment: CADMIUM AND CHROMATE; Material Document and Classification: FED STD 66,1066 TO 1090 FED STD SINGLE MATERIAL RESPONSE; Material Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-260-4882 still in active supply?

NSN 5325-00-260-4882 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.
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