NSN 5331-00-821-7984 · NIIN 008217984 · Part number 5121255
Rolls-Royce Solutions America Inc · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 72582
Government record, cited
NSN 5331-00-821-7984 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-821-7984. Manufacturer of record part number: 5121255.
Also searched as5331-00-821-7984 ·
5331008217984 ·
NIIN 008217984 ·
00-821-7984 ·
FSC 5331 O-ring · CAGE 72582 · 5121255
Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Center Hole Diameter: 4.360 INCHES MINIMUM AND 4.390 INCHES MAXIMUM IN
Material: RUBBER POLYACRYLATE CLASS ACM
2 manufacturer part numbers on file
Manufacturer of record: Rolls-Royce Solutions America Inc
Identification
NSN: 5331-00-821-7984
NIIN: 008217984
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 5121255
Manufacturer: Rolls-Royce Solutions America Inc
General Description
The O-Ring, cataloged under National Stock Number 5331-00-821-7984, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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5331-00-001-1979
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5331-00-001-3908
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5331-00-001-3923
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Frequently Asked Questions
What is NSN 5331-00-821-7984?
NSN 5331-00-821-7984 is a O-Ring, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-00-821-7984?
NSN 5331-00-821-7984 has 2 manufacturer part numbers on file: 5121255 (Rolls-Royce Solutions America Inc), 5121255 (General Motors Llc Dba General Motors Llc).
What are the specifications of 5121255?
Key specifications for 5121255: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 4.360 INCHES MINIMUM AND 4.390 INCHES MAXIMUM IN; Material: RUBBER POLYACRYLATE CLASS ACM. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5331-00-821-7984 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.