PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-271O-Ring

Freudenberg-Nok General Partnership · NSN 5331-01-270-2737 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-270-2737 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-270-2737. Primary manufacturer part number: 8-271.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Freudenberg-Nok General Partnership
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-270-2737, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Freudenberg-Nok General Partnership. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersFreudenberg-Nok General Partnership (CAGE 05262)
Technical Specifications
ParameterValue
NSN5331-01-270-2737
Primary Part Number8-271
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerFreudenberg-Nok General Partnership
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5950-00-250-17505082 INTERCHANGEABLE
Transformer,audio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
5120-00-333-98095120-00-333-9809 INTERCHANGEABLE
Alignment Tool,electronic Equipm
General Services Administration Federal Supply Service
4720-00-654-3882FC23807 INTERCHANGEABLE
Hose Assembly,nonmetallic
Airtex Products Div of Uis Inc
3030-00-853-504517415 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5950-01-113-6391 INTERCHANGEABLE
Coil,radio Frequency
4240-01-247-56868271 INTERCHANGEABLE
Mask,air Filtering
3m Company
5950-01-338-35758271 INTERCHANGEABLE
Coil,radio Frequency
Gowanda Holdings, Llc Div Gowanda Electronics Corp.
1610-01-389-15718271 INTERCHANGEABLE
Propeller,aircraft
Hydratight Operations Inc
5306-01-446-0011 INTERCHANGEABLE
Bolt,machine
5935-01-536-08968271 INTERCHANGEABLE
Connector,plug,electrical
Gateway Cable Inc
Cross-Reference Index
Part NumberManufacturer
8-271 Freudenberg-Nok General Partnership (USA)
Related Parts
5950-00-250-1750INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5082
5120-00-333-9809INTERCHANGEABLE
ALIGNMENT TOOL,ELECTRONIC EQUIPM
5120-00-333-9809
4720-00-654-3882INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
FC23807
3030-00-853-5045INTERCHANGEABLE
BELT,V
17415
5950-01-113-6391INTERCHANGEABLE
COIL,RADIO FREQUENCY
4240-01-247-5686INTERCHANGEABLE
MASK,AIR FILTERING
8271
5950-01-338-3575INTERCHANGEABLE
COIL,RADIO FREQUENCY
8271
1610-01-389-1571INTERCHANGEABLE
PROPELLER,AIRCRAFT
8271
5306-01-446-0011INTERCHANGEABLE
BOLT,MACHINE
5935-01-536-0896INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
8271

Frequently Asked Questions

What is NSN 5331-01-270-2737?

NSN 5331-01-270-2737 is a O-Ring, manufactured by Freudenberg-Nok General Partnership, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-270-2737?

NSN 5331-01-270-2737 has 1 cross-referenced part number: 8-271 (Freudenberg-Nok General Partnership).

What NSN replaces 5331-01-270-2737?

There are 10 known substitutes for 5331-01-270-2737: 5950-00-250-1750, 5120-00-333-9809, 4720-00-654-3882 and 7 more. Verify interchangeability with system specifications before substitution.

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