O-Ring5331-01-521-9963

NSN 5331-01-521-9963 · NIIN 015219963 · Part number 500873

Huck International, Inc. Div Kingston Operations · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 72139

Government record, cited

NSN 5331-01-521-9963 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-521-9963. Manufacturer of record part number: 500873.

Also searched as 5331-01-521-9963 · 5331015219963 · NIIN 015219963 · 01-521-9963 · FSC 5331 O-ring · CAGE 72139 · 500873

Nearby stock numbers ← 5331-01-521-9958 O-Ring · 5331-01-521-9995 O-Ring →

5331-01-521-9963 — O-ring

Features

O-Ring — FSC 5331
1 manufacturer part number on file
Manufacturer of record: Huck International, Inc. Div Kingston Operations

Identification

NSN: 5331-01-521-9963
NIIN: 015219963
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 500873
Manufacturer: Huck International, Inc. Div Kingston Operations

General Description

The O-Ring, cataloged under National Stock Number 5331-01-521-9963, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Div Kingston Operations. The record lists 1 manufacturer part number 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	Huck International, Inc. Div Kingston Operations (CAGE 72139)

Technical Specifications

Parameter	Value
NSN	5331-01-521-9963
Primary Part Number	500873
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Huck International, Inc. Div Kingston Operations
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
500873 PRIMARY	Huck International, Inc. Div Kingston Operations (USA)

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 5331-01-521-9963?

NSN 5331-01-521-9963 is a O-Ring, manufactured by Huck International, Inc. Div Kingston Operations, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-521-9963?

NSN 5331-01-521-9963 has 1 manufacturer part number on file: 500873 (Huck International, Inc. Div Kingston Operations).

Is NSN 5331-01-521-9963 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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