PartsTable TECHNICAL DATA SHEET

NSN 5331-01-439-2546Government record, cited

O-Ring5331-01-439-2546

NSN 5331-01-439-2546 · NIIN 014392546 · Part number 4P5524

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

Government record, cited

NSN 5331-01-439-2546 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-439-2546. Manufacturer of record part number: 4P5524.

Also searched as 5331-01-439-2546 · 5331014392546 · NIIN 014392546 · 01-439-2546 · FSC 5331 O-ring · CAGE 11083 · 4P5524 · CV123239 · 4P-5524

Nearby stock numbers ← 5331-01-439-2545 O-Ring · 5331-01-439-2610 O-Ring →

5331-01-439-2546 — O-ring

Features

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

Identification

NSN: 5331-01-439-2546
NIIN: 014392546
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 4P5524
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The O-Ring, cataloged under National Stock Number 5331-01-439-2546, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5331-01-439-2546
Primary Part Number	4P5524
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)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
CV123239	Tvs Supply Chain Solutions Limited (GBR)
4P5524 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)
4P-5524	Finning (uk) Ltd (GBR)

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 5331-01-439-2546?

NSN 5331-01-439-2546 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 5331-01-439-2546?

NSN 5331-01-439-2546 has 3 manufacturer part numbers on file: CV123239 (Tvs Supply Chain Solutions Limited), 4P5524 (Caterpillar Inc Div Caterpillar Defense), 4P-5524 (Finning (uk) Ltd).

What are the specifications of 4P5524?

Key specifications for 4P5524: End Item Identification: CATERPILLAR FRONT END LOADER, TRACTOR 950F. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5331-01-439-2546 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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