PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UR168-SRing,retaining

Spirolox Inc · NSN 5325-01-131-1862 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-131-1862 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-131-1862. Primary manufacturer part number: UR168-S.
Features
  • Ring,retaining — FSC 5325
  • Usage Design: INTERNAL
  • Material: STEEL COMP 301
  • Material Document and Classification: AMS 5519 ASSN STD SINGLE MATERIAL RESPONSE
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
  • Surface Treatment: PASSIVATE
  • Inside Diameter: 1.541 INCHES NOMINAL IN
  • Casehardening Indicator: NOT CASEHARDENED
Applications
  • Applications requiring Steel Comp 301 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-131-1862, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Spirolox Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-01-131-1862
Primary Part NumberUR168-S
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSpirolox Inc
StatusACTIVE
Usage DesignINTERNAL
MaterialSTEEL COMP 301
Material Document and ClassificationAMS 5519 ASSN STD SINGLE MATERIAL RESPONSE
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Surface TreatmentPASSIVATE
Inside Diameter1.541 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Cross-Sectional Shape StyleRECTANGULAR
Outside Diameter1.763 INCHES MINIMUM AND 1.783 INCHES MAXIMUM IN
Ring StyleHOOKED
Major Thickness0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5935-00-018-88372132425-1 INTERCHANGEABLE
Connector,plug,electrical
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
5935-00-686-924610003906-022 INTERCHANGEABLE
Mold,potting,electrical Connecto
Us Army Aviation and Missile Command
5120-00-786-2831 INTERCHANGEABLE
Insert,hydraulic Ram Head
5950-00-914-7754 INTERCHANGEABLE
Coil,radio Frequency
5360-01-128-56439348233 INTERCHANGEABLE
Spring,helical,torsion
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
2520-01-291-59162-2275 INTERCHANGEABLE
Spider,universal Joint,vehicular
Neapco Inc
Cross-Reference Index
Part NumberManufacturer
UR168-S PRIMARY Spirolox Inc (USA)
22275 Williams International Co., L.l.c. (USA)
Related Parts
5935-00-018-8837INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2132425-1
5935-00-686-9246INTERCHANGEABLE
MOLD,POTTING,ELECTRICAL CONNECTO
10003906-022
5120-00-786-2831INTERCHANGEABLE
INSERT,HYDRAULIC RAM HEAD
5950-00-914-7754INTERCHANGEABLE
COIL,RADIO FREQUENCY
5360-01-128-5643INTERCHANGEABLE
SPRING,HELICAL,TORSION
9348233
2520-01-291-5916INTERCHANGEABLE
SPIDER,UNIVERSAL JOINT,VEHICULAR
2-2275

Frequently Asked Questions

What is NSN 5325-01-131-1862?

NSN 5325-01-131-1862 is a Ring,retaining, manufactured by Spirolox Inc, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-131-1862?

NSN 5325-01-131-1862 has 2 cross-referenced part numbers: UR168-S (Spirolox Inc), 22275 (Williams International Co., L.l.c.).

What NSN replaces 5325-01-131-1862?

There are 6 known substitutes for 5325-01-131-1862: 5935-00-018-8837, 5935-00-686-9246, 5120-00-786-2831 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of UR168-S?

Key specifications for UR168-S: Usage Design: INTERNAL; Material: STEEL COMP 301; Material Document and Classification: AMS 5519 ASSN STD SINGLE MATERIAL RESPONSE; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE. 11 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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