NSN 4820-01-533-6944 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-533-6944. Manufacturer of record part number: 1291-008-Z2 3IN.
Also searched as4820-01-533-6944 ·
4820015336944 ·
NIIN 015336944 ·
01-533-6944 ·
FSC 4820 Valves, Nonpowered · CAGE 76364 · 1291-008-Z2 3IN · 1291-008-Z2 AY 1291-008-Z2 3IN · 1291-008-Z2
Manufacturer of record: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Identification
NSN: 4820-01-533-6944
NIIN: 015336944
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1291-008-Z2 3IN
Manufacturer: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
General Description
The Valve,check, cataloged under National Stock Number 4820-01-533-6944, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
Reference documents
Reference
Meaning
1291-008-Z2
D/9Drawing number reference only
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Related Parts
4820-01-533-6950POSSIBLE MATCH
DISK,VALVE
38294-L-A046
4820-01-533-6959POSSIBLE MATCH
SEAT,VALVE
51172-L1-046
4820-01-533-6965POSSIBLE MATCH
VALVE,CHECK
1291-008-Z2 6IN
4820-01-533-6976POSSIBLE MATCH
SEAT,VALVE
51172-S1-046
4820-01-533-6986POSSIBLE MATCH
DISK,VALVE
38294-S-A046
5365-01-534-3758POSSIBLE MATCH
PLUG,MACHINE THREAD
42205-J-613
5365-01-534-4294POSSIBLE MATCH
PLUG,MACHINE THREAD
42205-J-613
Frequently Asked Questions
What is NSN 4820-01-533-6944?
NSN 4820-01-533-6944 is a Valve,check, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-533-6944?
NSN 4820-01-533-6944 has 2 manufacturer part numbers on file: 1291-008-Z2 3IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 1291-008-Z2 AY 1291-008-Z2 3IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
What NSN replaces 4820-01-533-6944?
7 possible matches (shared part number, not a government interchangeability claim): 4820-01-533-6950, 4820-01-533-6959, 4820-01-533-6965. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-533-6944 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.