The Valve,check, cataloged under National Stock Number 4820-01-390-6767, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Valve,check
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Technical Specifications
Parameter
Value
NSN
4820-01-390-6767
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
7520-01-495-069136274POSSIBLE MATCH
PEN,BALL-POINT
Possible match (shared part number)Pilot Corporation of America
5120-01-671-8042SGDTX310BRPOSSIBLE MATCH
SCREWDRIVER,SIX POINT TIP
Possible match (shared part number)Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5995-01-691-803336274POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
Possible match (shared part number)The Connectivity Center, Inc.
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
36274
3/2Design control — primary reference
U.S. Government activity
Related Parts
7520-01-495-0691POSSIBLE MATCH
PEN,BALL-POINT
36274
5120-01-671-8042POSSIBLE MATCH
SCREWDRIVER,SIX POINT TIP
SGDTX310BR
5995-01-691-8033POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
36274
Frequently Asked Questions
What is NSN 4820-01-390-6767?
NSN 4820-01-390-6767 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-390-6767?
3 possible matches (shared part number, not a government interchangeability claim): 7520-01-495-0691, 5120-01-671-8042, 5995-01-691-8033. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-390-6767 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.