PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23881-1Ring,retaining

Rtx Corporation Div Pratt & Whitney · NSN 5325-00-952-2238 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-952-2238 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-952-2238. Primary manufacturer part number: 23881-1.
Features
  • Ring,retaining — FSC 5325
  • Strength Rating: ERR-060
  • Cross-Sectional Shape Style: ROUND
  • Material Hardness Rating: 63.0 ROCKWELL A MINIMUM AND 65.0 ROCKWELL A MAXIMUM
  • End Style: 90 DEGREE PARALLEL
  • Material Diameter: 0.051 INCHES NOMINAL IN
  • Material Document and Classification: QQ-W-470, COMP A FED SPEC SINGLE MATERIAL RESPONSE
  • Material: STEEL UNS K08500
Applications
  • Applications requiring Steel Uns K08500 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-952-2238, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-952-2238
Primary Part Number23881-1
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerRtx Corporation Div Pratt & Whitney
StatusACTIVE
Strength RatingERR-060
Cross-Sectional Shape StyleROUND
Material Hardness Rating63.0 ROCKWELL A MINIMUM AND 65.0 ROCKWELL A MAXIMUM
End Style90 DEGREE PARALLEL
Material Diameter0.051 INCHES NOMINAL IN
Material Document and ClassificationQQ-W-470, COMP A FED SPEC SINGLE MATERIAL RESPONSE
MaterialSTEEL UNS K08500
Outside Diameter1.810 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN
Casehardening IndicatorNOT CASEHARDENED
Ring StyleSTRAIGHT GAP
Inside Diameter1.708 INCHES MINIMUM AND 1.778 INCHES MAXIMUM IN
Usage DesignEXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
9540-00-720-4331 INTERCHANGEABLE
Angle,structural
5985-01-294-595223881 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5305-01-303-4702NAS1351-8-40P INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-734-134530468 INTERCHANGEABLE
Washer,flat
Md Helicopters Inc
Cross-Reference Index
Part NumberManufacturer
23881 Rtx Corporation Div Pratt & Whitney (USA)
23881-1 PRIMARY Rtx Corporation Div Pratt & Whitney (USA)
23881 Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA)
23881-1 Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA)
Related Parts
9540-00-720-4331INTERCHANGEABLE
ANGLE,STRUCTURAL
5985-01-294-5952INTERCHANGEABLE
COUPLER,DIRECTIONAL
23881
5305-01-303-4702INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS1351-8-40P
5310-01-734-1345INTERCHANGEABLE
WASHER,FLAT
30468

Frequently Asked Questions

What is NSN 5325-00-952-2238?

NSN 5325-00-952-2238 is a Ring,retaining, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-952-2238?

NSN 5325-00-952-2238 has 4 cross-referenced part numbers: 23881 (Rtx Corporation Div Pratt & Whitney), 23881-1 (Rtx Corporation Div Pratt & Whitney), 23881 (Solar Turbines Incorporated Dba Solar Turbines Incorporated), 23881-1 (Solar Turbines Incorporated Dba Solar Turbines Incorporated).

What NSN replaces 5325-00-952-2238?

There are 4 known substitutes for 5325-00-952-2238: 9540-00-720-4331, 5985-01-294-5952, 5305-01-303-4702 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23881-1?

Key specifications for 23881-1: Strength Rating: ERR-060; Cross-Sectional Shape Style: ROUND; Material Hardness Rating: 63.0 ROCKWELL A MINIMUM AND 65.0 ROCKWELL A MAXIMUM; End Style: 90 DEGREE PARALLEL. 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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