O-Ring5331-01-590-2931

NSN 5331-01-590-2931 · NIIN 015902931 · Part number 190-7634

Caterpillar Inc Div Caterpillar Defense · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 11083

Government record, cited

NSN 5331-01-590-2931 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-590-2931. Manufacturer of record part number: 190-7634.

Also searched as 5331-01-590-2931 · 5331015902931 · NIIN 015902931 · 01-590-2931 · FSC 5331 O-ring · CAGE 11083 · 190-7634

Nearby stock numbers ← 5331-01-590-2840 O-Ring · 5331-01-590-3247 O-Ring →

5331-01-590-2931 — O-ring

Features

O-Ring — FSC 5331
5 manufacturer part numbers on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 5331-01-590-2931
NIIN: 015902931
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 190-7634
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The O-Ring, cataloged under National Stock Number 5331-01-590-2931, 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 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	O-Ring
FSC / FSG	5331 — O-ring (FSG 53)
Manufacturers	William Adams Pty Ltd (CAGE Z8Q46); Westrac Equipment Pty Ltd (CAGE Z02C9); Hastings Deering (aust) Pty Ltd (CAGE ZF912); Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Pon Power B.v. (CAGE H0S39)

Technical Specifications

Parameter	Value
NSN	5331-01-590-2931
Primary Part Number	190-7634
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
190-7634	William Adams Pty Ltd (AUS)
190-7634	Westrac Equipment Pty Ltd (AUS)
190-7634	Hastings Deering (aust) Pty Ltd (AUS)
190-7634 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)
190-7634	Pon Power B.v. (NLD)

No interchangeability data on file.

Other items in FSC 5331 — O-ring

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

Frequently Asked Questions

What is NSN 5331-01-590-2931?

NSN 5331-01-590-2931 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 5331-01-590-2931?

NSN 5331-01-590-2931 has 5 manufacturer part numbers on file: 190-7634 (William Adams Pty Ltd), 190-7634 (Westrac Equipment Pty Ltd), 190-7634 (Hastings Deering (aust) Pty Ltd), 190-7634 (Caterpillar Inc Div Caterpillar Defense), 190-7634 (Pon Power B.v.).

Is NSN 5331-01-590-2931 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.

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