PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9972O-Ring

Barnes Group Inc. Dba Barnes Distribution · NSN 5331-01-146-5302 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-146-5302 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-146-5302. Primary manufacturer part number: 9972.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 0.156 INCHES NOMINAL IN
  • Cross-Sectional Height: 0.062 INCHES NOMINAL IN
  • Material: RUBBER CHLOROPRENE CLASS CR
  • 1 verified cross-reference
  • Primary manufacturer: Barnes Group Inc. Dba Barnes Distribution
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Chloroprene Class Cr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-146-5302, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Barnes Group Inc. Dba Barnes Distribution. Government technical data includes 3 verified specifications, 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
NSN5331-01-146-5302
Primary Part Number9972
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerBarnes Group Inc. Dba Barnes Distribution
StatusACTIVE
Center Hole Diameter0.156 INCHES NOMINAL IN
Cross-Sectional Height0.062 INCHES NOMINAL IN
MaterialRUBBER CHLOROPRENE CLASS CR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5855-00-156-4992ANPYS3A INTERCHANGEABLE
Night Vision Sight
Joint Electronics Type Designation System
2805-00-218-145799-72 INTERCHANGEABLE
Push Rod,valve
Dresser Industries Inc Leroi Div
5935-00-259-1083502 INTERCHANGEABLE
Connector,plug,electrical
Hubbell-Raco Inc
4320-00-375-89139972 INTERCHANGEABLE
Head and Liner
Coffin Turbo Pump Inc
5955-00-497-5826712732-10 INTERCHANGEABLE
Crystal Unit,quartz
Raytheon Company Div Rmd Strategic
5130-00-863-717599-72 INTERCHANGEABLE
Nose Assembly,faste
Huck International, Inc. Div Kingston Operations
5950-01-098-631113043749 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
5315-01-249-2837N09972 INTERCHANGEABLE
Pin,shoulder,headless
Leslie Controls, Inc. Dba Leslie Controls Inc
5331-01-359-21519972 INTERCHANGEABLE
O-Ring
DP Manufacturing Inc.
Cross-Reference Index
Part NumberManufacturer
9972 PRIMARY Barnes Group Inc. Dba Barnes Distribution (USA)
Related Parts
5855-00-156-4992INTERCHANGEABLE
NIGHT VISION SIGHT
ANPYS3A
2805-00-218-1457INTERCHANGEABLE
PUSH ROD,VALVE
99-72
5935-00-259-1083INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
502
4320-00-375-8913INTERCHANGEABLE
HEAD AND LINER
9972
5955-00-497-5826INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
712732-10
5130-00-863-7175INTERCHANGEABLE
NOSE ASSEMBLY,FASTE
99-72
5950-01-098-6311INTERCHANGEABLE
REACTOR
13043749
5315-01-249-2837INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
N09972
5331-01-359-2151INTERCHANGEABLE
O-RING
9972

Frequently Asked Questions

What is NSN 5331-01-146-5302?

NSN 5331-01-146-5302 is a O-Ring, manufactured by Barnes Group Inc. Dba Barnes Distribution, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-146-5302?

NSN 5331-01-146-5302 has 1 cross-referenced part number: 9972 (Barnes Group Inc. Dba Barnes Distribution).

What NSN replaces 5331-01-146-5302?

There are 9 known substitutes for 5331-01-146-5302: 5855-00-156-4992, 2805-00-218-1457, 5935-00-259-1083 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9972?

Key specifications for 9972: Center Hole Diameter: 0.156 INCHES NOMINAL IN; Cross-Sectional Height: 0.062 INCHES NOMINAL IN; Material: RUBBER CHLOROPRENE CLASS CR. 3 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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