PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10156-1O-Ring

Peerless Instrument Co., Inc. · NSN 5331-01-311-7145 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-311-7145 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-311-7145. Primary manufacturer part number: 10156-1.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM
  • Test Data Document: 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Center Hole Diameter: 2.352 INCHES MINIMUM AND 2.372 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • 7 verified cross-references
  • Primary manufacturer: Peerless Instrument Co., Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Ethylene-Propylene Class Epm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-311-7145, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Peerless Instrument Co., Inc.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-311-7145
Primary Part Number10156-1
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerPeerless Instrument Co., Inc.
StatusACTIVE
MaterialRUBBER ETHYLENE-PROPYLENE CLASS EPM
Test Data Document81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Center Hole Diameter2.352 INCHES MINIMUM AND 2.372 INCHES MAXIMUM IN
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5935-00-401-5786PL80-9 INTERCHANGEABLE
Connector,plug,electrical
Trompeter Electronics, Inc.
5365-00-672-7954 INTERCHANGEABLE
Plug,machine Thread
2590-00-934-2501102637 INTERCHANGEABLE
Plunger,locking,cra
Cadillac Gage Textron Inc.
6210-01-074-959411778518 INTERCHANGEABLE
Light,indicator
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
3020-01-275-9024101561 INTERCHANGEABLE
Gear,spur
Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k
5340-01-606-5550101561 INTERCHANGEABLE
Retainer,helical Compression Spr
Industrial Clutch & Brake, Inc
5331-01-705-8560 INTERCHANGEABLE
O-Ring
4730-01-732-5634ISSD8FE4 INTERCHANGEABLE
Elbow,tube
Ssp Fittings Corp
Cross-Reference Index
Part NumberManufacturer
PO0312NRP Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
10156-1 PRIMARY Peerless Instrument Co., Inc. (USA)
LL-HQ6-4243 Interplastic Corp Molding Products Div (USA)
LO1303 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
11352PC18 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
10156-1 Peerless Nuclear Corp (USA)
PO013117145 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
Related Parts
5935-00-401-5786INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
PL80-9
5365-00-672-7954INTERCHANGEABLE
PLUG,MACHINE THREAD
2590-00-934-2501INTERCHANGEABLE
PLUNGER,LOCKING,CRA
102637
6210-01-074-9594INTERCHANGEABLE
LIGHT,INDICATOR
11778518
3020-01-275-9024INTERCHANGEABLE
GEAR,SPUR
101561
5340-01-606-5550INTERCHANGEABLE
RETAINER,HELICAL COMPRESSION SPR
101561
5331-01-705-8560INTERCHANGEABLE
O-RING
4730-01-732-5634INTERCHANGEABLE
ELBOW,TUBE
ISSD8FE4

Frequently Asked Questions

What is NSN 5331-01-311-7145?

NSN 5331-01-311-7145 is a O-Ring, manufactured by Peerless Instrument Co., Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-311-7145?

NSN 5331-01-311-7145 has 7 cross-referenced part numbers: PO0312NRP (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 10156-1 (Peerless Instrument Co., Inc.), LL-HQ6-4243 (Interplastic Corp Molding Products Div), LO1303 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 11352PC18 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc) and 2 more.

What NSN replaces 5331-01-311-7145?

There are 8 known substitutes for 5331-01-311-7145: 5935-00-401-5786, 5365-00-672-7954, 2590-00-934-2501 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10156-1?

Key specifications for 10156-1: Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM; Test Data Document: 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; Center Hole Diameter: 2.352 INCHES MINIMUM AND 2.372 INCHES MAXIMUM IN; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com