PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

516257Ring,retaining

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5325-00-090-7669 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-090-7669 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-090-7669. Primary manufacturer part number: 516257.
Features
  • Ring,retaining — FSC 5325
  • Ring Style: STRAIGHT GAP
  • Material: STEEL COMP 1095
  • Surface Treatment: CADMIUM
  • Material Document and Classification: AMS 5121 ASSN STD SINGLE MATERIAL RESPONSE
  • Inside Diameter: 4.052 INCHES MINIMUM AND 4.122 INCHES MAXIMUM IN
  • Usage Design: INTERNAL
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Applications requiring Steel Comp 1095 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-090-7669, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-090-7669
Primary Part Number516257
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
Ring StyleSTRAIGHT GAP
MaterialSTEEL COMP 1095
Surface TreatmentCADMIUM
Material Document and ClassificationAMS 5121 ASSN STD SINGLE MATERIAL RESPONSE
Inside Diameter4.052 INCHES MINIMUM AND 4.122 INCHES MAXIMUM IN
Usage DesignINTERNAL
Cross-Sectional Shape StyleRECTANGULAR
Material Hardness Rating35.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM
Outside Diameter4.302 INCHES MINIMUM AND 4.372 INCHES MAXIMUM IN
Casehardening IndicatorNOT CASEHARDENED
Major Thickness0.125 INCHES NOMINAL IN
End StyleVERTEX CENTER OR ABOVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5325-00-263-5869 INTERCHANGEABLE
Ring,retaining
4710-01-127-9069 INTERCHANGEABLE
Tube Metering Dev
Cross-Reference Index
Part NumberManufacturer
516257 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
5325-00-263-5869INTERCHANGEABLE
RING,RETAINING
4710-01-127-9069INTERCHANGEABLE
TUBE METERING DEV

Frequently Asked Questions

What is NSN 5325-00-090-7669?

NSN 5325-00-090-7669 is a Ring,retaining, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-090-7669?

NSN 5325-00-090-7669 has 1 cross-referenced part number: 516257 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 5325-00-090-7669?

There are 2 known substitutes for 5325-00-090-7669: 5325-00-263-5869, 4710-01-127-9069. Verify interchangeability with system specifications before substitution.

What are the specifications of 516257?

Key specifications for 516257: Ring Style: STRAIGHT GAP; Material: STEEL COMP 1095; Surface Treatment: CADMIUM; Material Document and Classification: AMS 5121 ASSN STD SINGLE MATERIAL RESPONSE. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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