NSN 5331-01-437-0557 · NIIN 014370557 · Part number 7B-105-01 PIECE 2
Aalberts Integrated Piping Systems Americas, Inc. · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 72219
Government record, cited
NSN 5331-01-437-0557 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-437-0557. Manufacturer of record part number: 7B-105-01 PIECE 2.
Manufacturer of record: Aalberts Integrated Piping Systems Americas, Inc.
Identification
NSN: 5331-01-437-0557
NIIN: 014370557
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 7B-105-01 PIECE 2
Manufacturer: Aalberts Integrated Piping Systems Americas, Inc.
General Description
The O-Ring, cataloged under National Stock Number 5331-01-437-0557, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Aalberts Integrated Piping Systems Americas, 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
Aalberts Integrated Piping Systems Americas, Inc. (CAGE 72219)
Aalberts Integrated Piping Systems Americas, 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 5331-01-437-0557?
NSN 5331-01-437-0557 is a O-Ring, manufactured by Aalberts Integrated Piping Systems Americas, Inc., classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-437-0557?
NSN 5331-01-437-0557 has 1 manufacturer part number on file: 7B-105-01 PIECE 2 (Aalberts Integrated Piping Systems Americas, Inc.).
Is NSN 5331-01-437-0557 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.