NSN 5331-01-539-6374 · NIIN 015396374 · Part number 721G8FS-777-P2
Greene Tweed & Co Inc · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 5F573
Government record, cited
NSN 5331-01-539-6374 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-539-6374. Manufacturer of record part number: 721G8FS-777-P2.
Also searched as5331-01-539-6374 ·
5331015396374 ·
NIIN 015396374 ·
01-539-6374 ·
FSC 5331 O-ring · CAGE 5F573 · 721G8FS-777-P2
Temp Rating: -350.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF
Cross-Sectional Height: 0.139 INCHES NOMINAL IN
Hardness Rating: 60.0 SHORE DUROMETER D NOMINAL
Center Hole Diameter: 1.491 INCHES MAXIMUM IN
Material: PLASTIC POLYTETRAFLUOROETHYLENE
1 manufacturer part number on file
Manufacturer of record: Greene Tweed & Co Inc
Identification
NSN: 5331-01-539-6374
NIIN: 015396374
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 721G8FS-777-P2
Manufacturer: Greene Tweed & Co Inc
General Description
The O-Ring, cataloged under National Stock Number 5331-01-539-6374, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Greene Tweed & Co Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971
O-RING
5331-00-001-1979
O-RING
5331-00-001-3904
O-RING
5331-00-001-3905
O-RING
5331-00-001-3906
O-RING
5331-00-001-3908
O-RING
5331-00-001-3923
O-RING
5331-00-001-3924
O-RING
Related Parts in Hardware and Abrasives
5331-00-001-1971
O-RING
5331-00-001-1979
O-RING
5331-00-001-3904
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5331-00-001-3905
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5331-00-001-3906
O-RING
5331-00-001-3908
O-RING
216-2229
5331-00-001-3923
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216-2460
5331-00-001-3924
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GD2821-11
Frequently Asked Questions
What is NSN 5331-01-539-6374?
NSN 5331-01-539-6374 is a O-Ring, manufactured by Greene Tweed & Co Inc, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-539-6374?
NSN 5331-01-539-6374 has 1 manufacturer part number on file: 721G8FS-777-P2 (Greene Tweed & Co Inc).
What are the specifications of 721G8FS-777-P2?
Key specifications for 721G8FS-777-P2: Temp Rating: -350.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.139 INCHES NOMINAL IN; Hardness Rating: 60.0 SHORE DUROMETER D NOMINAL; Special Features: RING IS NON STANDARD SIZE, AND HAS SPLIT BACK UP. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5331-01-539-6374 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.