O-Ring5331-01-675-5018

NSN 5331-01-675-5018 · NIIN 016755018 · Part number 153-01901-21

Kato Engineering Inc. · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 32770

Government record, cited

NSN 5331-01-675-5018 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-675-5018. Manufacturer of record part number: 153-01901-21.

Also searched as 5331-01-675-5018 · 5331016755018 · NIIN 016755018 · 01-675-5018 · FSC 5331 O-ring · CAGE 32770 · 153-01901-21

Nearby stock numbers ← 5331-01-675-4781 O-Ring Set · 5331-01-675-5998 O-Ring →

5331-01-675-5018 — O-ring

Features

O-Ring — FSC 5331
1 manufacturer part number on file
Manufacturer of record: Kato Engineering Inc.

Identification

NSN: 5331-01-675-5018
NIIN: 016755018
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 153-01901-21
Manufacturer: Kato Engineering Inc.

General Description

The O-Ring, cataloged under National Stock Number 5331-01-675-5018, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Kato Engineering Inc.. 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	Kato Engineering Inc. (CAGE 32770)

Technical Specifications

Parameter	Value
NSN	5331-01-675-5018
Primary Part Number	153-01901-21
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Kato Engineering Inc.
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
153-01901-21 PRIMARY	Kato Engineering Inc. (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 5331-01-675-5018?

NSN 5331-01-675-5018 is a O-Ring, manufactured by Kato Engineering Inc., classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-675-5018?

NSN 5331-01-675-5018 has 1 manufacturer part number on file: 153-01901-21 (Kato Engineering Inc.).

Is NSN 5331-01-675-5018 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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