NSN 5331-01-590-4941 · NIIN 015904941 · Part number 266-3671
Caterpillar Inc Div Caterpillar Defense · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 11083
Government record, cited
NSN 5331-01-590-4941 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-590-4941. Manufacturer of record part number: 266-3671.
Also searched as5331-01-590-4941 ·
5331015904941 ·
NIIN 015904941 ·
01-590-4941 ·
FSC 5331 O-ring · CAGE 11083 · 266-3671
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 5331-01-590-4941
NIIN: 015904941
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 266-3671
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The O-Ring, cataloged under National Stock Number 5331-01-590-4941, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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
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5331-00-001-3904
O-RING
5331-00-001-3905
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5331-00-001-3906
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5331-00-001-3908
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5331-00-001-3923
O-RING
5331-00-001-3924
O-RING
Frequently Asked Questions
What is NSN 5331-01-590-4941?
NSN 5331-01-590-4941 is a O-Ring, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-590-4941?
NSN 5331-01-590-4941 has 1 manufacturer part number on file: 266-3671 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 266-3671?
Key specifications for 266-3671: Part Name Assigned by Controlling Agency: RING, SEAL; End Item Identification: 2355-01-567-4930 TRUCK, BOMB SERVICE. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5331-01-590-4941 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.