PartsTable TECHNICAL DATA SHEET

NSN 5331-01-137-6906Government record, cited

O-Ring5331-01-137-6906

NSN 5331-01-137-6906 · NIIN 011376906 · Part number 51955001

Alfa Laval Inc · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 71871

Government record, cited

NSN 5331-01-137-6906 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-137-6906. Manufacturer of record part number: 51955001.

Also searched as 5331-01-137-6906 · 5331011376906 · NIIN 011376906 · 01-137-6906 · FSC 5331 O-ring · CAGE 71871 · 51955001 · E-8709935 PIECE 112 · 519550-01

Nearby stock numbers ← 5331-01-137-6905 O-Ring · 5331-01-137-6908 O-Ring →

5331-01-137-6906 — O-ring

Features

O-Ring — FSC 5331
2 manufacturer part numbers on file
Manufacturer of record: Alfa Laval Inc

Identification

NSN: 5331-01-137-6906
NIIN: 011376906
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 51955001
Manufacturer: Alfa Laval Inc

General Description

The O-Ring, cataloged under National Stock Number 5331-01-137-6906, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Alfa Laval Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Alfa Laval Inc (CAGE 71871); Volvo Car Espana SL (CAGE 143AB)

Technical Specifications

Parameter	Value
NSN	5331-01-137-6906
Primary Part Number	51955001
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Alfa Laval 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
51955001 PRIMARY	Alfa Laval Inc (USA)
519550-01	Volvo Car Espana SL (ESP)

Reference documents

Reference	Meaning
E-8709935 PIECE 112	5/9 Secondary reference Alfa Laval Inc

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 5331-01-137-6906?

NSN 5331-01-137-6906 is a O-Ring, manufactured by Alfa Laval Inc, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-137-6906?

NSN 5331-01-137-6906 has 2 manufacturer part numbers on file: 51955001 (Alfa Laval Inc), 519550-01 (Volvo Car Espana SL).

Is NSN 5331-01-137-6906 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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