PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RS125SRing,retaining

Spirolox Inc · NSN 5325-00-815-0870 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-815-0870 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-815-0870. Primary manufacturer part number: RS125S.
Features
  • Ring,retaining — FSC 5325
  • Outside Diameter: 1.343 INCHES MINIMUM AND 1.358 INCHES MAXIMUM IN
  • Usage Design: EXTERNAL
  • Material: STEEL CORROSION RESISTING
  • Major Thickness: 0.041 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: DOUBLE OVAL
  • Casehardening Indicator: NOT CASEHARDENED
  • Ring Style: SPIRAL
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-815-0870, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-815-0870
Primary Part NumberRS125S
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSpirolox Inc
StatusACTIVE
Outside Diameter1.343 INCHES MINIMUM AND 1.358 INCHES MAXIMUM IN
Usage DesignEXTERNAL
MaterialSTEEL CORROSION RESISTING
Major Thickness0.041 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
Cross-Sectional Shape StyleDOUBLE OVAL
Casehardening IndicatorNOT CASEHARDENED
Ring StyleSPIRAL
Inside Diameter1.173 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5930-00-548-7439404879 INTERCHANGEABLE
Adapter,switch Actuator
Raytheon Company Dba Raytheon
2910-00-770-25267702526 INTERCHANGEABLE
Jet
U S Army Tank Automotive Command Amsta-Im-Mm
5910-01-144-8190 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Cross-Reference Index
Part NumberManufacturer
RS125S PRIMARY Spirolox Inc (USA)
RS-125-S Zf Industrieantriebe Witten Gmbh (DEU)
404879 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
69984S125 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
404879 Adams Industries Inc a Sub of Banner Industries Inc (USA)
5325PL0828579 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5930-00-548-7439INTERCHANGEABLE
ADAPTER,SWITCH ACTUATOR
404879
2910-00-770-2526INTERCHANGEABLE
JET
7702526
5910-01-144-8190INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI

Frequently Asked Questions

What is NSN 5325-00-815-0870?

NSN 5325-00-815-0870 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 5325-00-815-0870?

NSN 5325-00-815-0870 has 6 cross-referenced part numbers: RS125S (Spirolox Inc), RS-125-S (Zf Industrieantriebe Witten Gmbh), 404879 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 69984S125 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 404879 (Adams Industries Inc a Sub of Banner Industries Inc) and 1 more.

What NSN replaces 5325-00-815-0870?

There are 3 known substitutes for 5325-00-815-0870: 5930-00-548-7439, 2910-00-770-2526, 5910-01-144-8190. Verify interchangeability with system specifications before substitution.

What are the specifications of RS125S?

Key specifications for RS125S: Outside Diameter: 1.343 INCHES MINIMUM AND 1.358 INCHES MAXIMUM IN; Usage Design: EXTERNAL; Material: STEEL CORROSION RESISTING; Major Thickness: 0.041 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN. 8 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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