PartsTable TECHNICAL DATA SHEET

NSN 5331-01-159-8378Government record, cited

O-Ring5331-01-159-8378

NSN 5331-01-159-8378 · NIIN 011598378 · Part number 12E184

Oerlikon Metco Us Inc · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 01FK3

Government record, cited

NSN 5331-01-159-8378 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-159-8378. Manufacturer of record part number: 12E184.

Also searched as 5331-01-159-8378 · 5331011598378 · NIIN 011598378 · 01-159-8378 · FSC 5331 O-ring · CAGE 01FK3 · 12E184 · 12E-184 · 12E-184

Nearby stock numbers ← 5331-01-159-8377 O-Ring · 5331-01-159-8379 O-Ring →

5331-01-159-8378 — O-ring

Features

O-Ring — FSC 5331
2 manufacturer part numbers on file
Manufacturer of record: Oerlikon Metco Us Inc

Identification

NSN: 5331-01-159-8378
NIIN: 011598378
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 12E184
Manufacturer: Oerlikon Metco Us Inc

General Description

The O-Ring, cataloged under National Stock Number 5331-01-159-8378, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Oerlikon Metco Us Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	O-Ring
FSC / FSG	5331 — O-ring (FSG 53)
Manufacturers	Oerlikon Metco Us Inc (CAGE 01FK3); Sulzer Metco (uk) Ltd (CAGE K0455)

Technical Specifications

Parameter	Value
NSN	5331-01-159-8378
Primary Part Number	12E184
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Oerlikon Metco Us 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)

Cross-Reference Index

Part Number	Manufacturer
12E184 PRIMARY	Oerlikon Metco Us Inc (USA)
12E-184	Sulzer Metco (uk) Ltd (GBR)

Reference documents

Reference	Meaning
12E184	5/9 Secondary reference Metco Inc Sub of the Perkin-Elmer Corp
12E-184	5/9 Secondary reference Sulzer Metco Uk Ltd

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 5331-01-159-8378?

NSN 5331-01-159-8378 is a O-Ring, manufactured by Oerlikon Metco Us Inc, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-159-8378?

NSN 5331-01-159-8378 has 2 manufacturer part numbers on file: 12E184 (Oerlikon Metco Us Inc), 12E-184 (Sulzer Metco (uk) Ltd).

Is NSN 5331-01-159-8378 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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