PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9972O-Ring

DP Manufacturing Inc. · NSN 5331-01-359-2151 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-359-2151 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-359-2151. Primary manufacturer part number: 9972.
Features
  • O-Ring — FSC 5331
  • 3 verified cross-references
  • Primary manufacturer: DP Manufacturing Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-359-2151, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is DP Manufacturing Inc.. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersOshkosh Defense Llc (CAGE 75Q65); Oshkosh Corp (CAGE 45152); DP Manufacturing Inc. (CAGE 0EJ14)
Technical Specifications
ParameterValue
NSN5331-01-359-2151
Primary Part Number9972
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerDP Manufacturing Inc.
StatusACTIVE
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
5331-01-146-53029972 INTERCHANGEABLE
O-Ring
Barnes Group Inc. Dba Barnes Distribution
5315-01-249-2837N09972 INTERCHANGEABLE
Pin,shoulder,headless
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
2GL757 Oshkosh Defense Llc (USA)
2GL757 Oshkosh Corp (USA)
9972 PRIMARY DP Manufacturing Inc. (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
5331-01-146-5302INTERCHANGEABLE
O-RING
9972
5315-01-249-2837INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
N09972

Frequently Asked Questions

What is NSN 5331-01-359-2151?

NSN 5331-01-359-2151 is a O-Ring, manufactured by DP Manufacturing Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-359-2151?

NSN 5331-01-359-2151 has 3 cross-referenced part numbers: 2GL757 (Oshkosh Defense Llc), 2GL757 (Oshkosh Corp), 9972 (DP Manufacturing Inc.).

What NSN replaces 5331-01-359-2151?

There are 9 known substitutes for 5331-01-359-2151: 5855-00-156-4992, 2805-00-218-1457, 5935-00-259-1083 and 6 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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