PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21188Retainer,relief Valve

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 2915-00-931-2960 · FSC 2915 · No Item Name Available
Verified by PartsTable
NSN 2915-00-931-2960 — this item is cataloged by the U.S. Government under National Stock Number 2915-00-931-2960. Primary manufacturer part number: 21188.
Features
  • Retainer,relief Valve — FSC 2915
  • General Characteristics Item Description: GRAY ANODIZED FINISH,O/A DIM. 1.105 IN. MIN TO 1.115 IN. MAX DIA,4 HOLES EQUALLY SPACED ON FLANGE,CENTER OPENING SIZE 0.401 IN. MIN TO 0.411 IN. DIA IN
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Retainer,relief Valve, cataloged under National Stock Number 2915-00-931-2960, is classified within Federal Supply Class 2915 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. Government technical data includes 1 verified specification, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2915-00-931-2960
Primary Part Number21188
Item NameRetainer,relief Valve
FSC / FSG2915 / 29 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
General Characteristics Item DescriptionGRAY ANODIZED FINISH,O/A DIM. 1.105 IN. MIN TO 1.115 IN. MAX DIA,4 HOLES EQUALLY SPACED ON FLANGE,CENTER OPENING SIZE 0.401 IN. MIN TO 0.411 IN. DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
1560-00-066-191221188 INTERCHANGEABLE
End Assembly,outer
Triumph Controls, Llc Dba Triumph Controls, Llc
5330-00-162-53803100B06 INTERCHANGEABLE
Seal
Terex Usa, Llc Dba Terex Equipment Services
5999-00-177-171421188 INTERCHANGEABLE
Clip,electrical
Raytheon Company Dba Raytheon
5920-00-184-208821188 INTERCHANGEABLE
Fuseholder,block
Raytheon Company Dba Raytheon
5330-00-591-271021188 INTERCHANGEABLE
Packing,preformed
Industrial Technologies and Services Llc
2915-00-822-381921188 INTERCHANGEABLE
Spring,helical
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5310-00-844-11526759494 INTERCHANGEABLE
Washer,recessed
The W.w. Williams Company, Llc
1630-01-033-37742-1188 INTERCHANGEABLE
Brake,single Disk
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5945-01-381-76302118-8 INTERCHANGEABLE
Retainer,electrical Relay
Hawaii Electric Light Co Inc
Cross-Reference Index
Part NumberManufacturer
21188 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
1560-00-066-1912INTERCHANGEABLE
END ASSEMBLY,OUTER
21188
5330-00-162-5380INTERCHANGEABLE
SEAL
3100B06
5999-00-177-1714INTERCHANGEABLE
CLIP,ELECTRICAL
21188
5920-00-184-2088INTERCHANGEABLE
FUSEHOLDER,BLOCK
21188
5330-00-591-2710INTERCHANGEABLE
PACKING,PREFORMED
21188
2915-00-822-3819INTERCHANGEABLE
SPRING,HELICAL
21188
5310-00-844-1152INTERCHANGEABLE
WASHER,RECESSED
6759494
1630-01-033-3774INTERCHANGEABLE
BRAKE,SINGLE DISK
2-1188
5945-01-381-7630INTERCHANGEABLE
RETAINER,ELECTRICAL RELAY
2118-8

Frequently Asked Questions

What is NSN 2915-00-931-2960?

NSN 2915-00-931-2960 is a Retainer,relief Valve, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 2915 (No Item Name Available). Status: active.

What are the part numbers for NSN 2915-00-931-2960?

NSN 2915-00-931-2960 has 1 cross-referenced part number: 21188 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 2915-00-931-2960?

There are 9 known substitutes for 2915-00-931-2960: 1560-00-066-1912, 5330-00-162-5380, 5999-00-177-1714 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21188?

Key specifications for 21188: General Characteristics Item Description: GRAY ANODIZED FINISH,O/A DIM. 1.105 IN. MIN TO 1.115 IN. MAX DIA,4 HOLES EQUALLY SPACED ON FLANGE,CENTER OPENING SIZE 0.401 IN. MIN TO 0.411 IN. DIA IN; End Item Identification: 29159717289. 2 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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