NSN 5331-01-688-2640 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-688-2640. Manufacturer of record part number: 162A-001K 200 REV-NO. 14.
Manufacturer of record: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Identification
NSN: 5331-01-688-2640
NIIN: 016882640
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 162A-001K 200 REV-NO. 14
Manufacturer: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
General Description
The O-Ring, cataloged under National Stock Number 5331-01-688-2640, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
NSN 5331-01-688-2640 is a O-Ring, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-688-2640?
NSN 5331-01-688-2640 has 1 manufacturer part number on file: 162A-001K 200 REV-NO. 14 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
What NSN replaces 5331-01-688-2640?
10 possible matches (shared part number, not a government interchangeability claim): 5331-01-688-2656, 5330-01-688-2706, 5330-01-688-2726. Verify interchangeability with system specifications before substitution.
Is NSN 5331-01-688-2640 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.