NSN 4820-00-375-7980 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-375-7980. Manufacturer of record part number: 6936.
Manufacturer of record: Derbyshire Machine & Tool Co
Identification
NSN: 4820-00-375-7980
NIIN: 003757980
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 6936
Manufacturer: Derbyshire Machine & Tool Co
General Description
The Disk,valve, cataloged under National Stock Number 4820-00-375-7980, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Derbyshire Machine & Tool Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-375-7980
Primary Part Number
6936
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Derbyshire Machine & Tool Co
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5995-00-673-03726936POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
Possible match (shared part number)Spencer Industries Inc
4810-01-220-81706936POSSIBLE MATCH
CAP,BREATHER,VALVE
Possible match (shared part number)Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5895-01-592-46316936POSSIBLE MATCH
NRP,DISTRIBUTION UN
Possible match (shared part number)Spectrum Control Inc Div Weinschel
4730-01-624-25866936POSSIBLE MATCH
PARTS KIT,SELF-SEALING COUPLING
Possible match (shared part number)Teledyne Flir Unmanned Ground Systems, Inc
NSN 4820-00-375-7980 is a Disk,valve, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-375-7980?
NSN 4820-00-375-7980 has 1 manufacturer part number on file: 6936 (Derbyshire Machine & Tool Co).
What NSN replaces 4820-00-375-7980?
4 possible matches (shared part number, not a government interchangeability claim): 5995-00-673-0372, 4810-01-220-8170, 5895-01-592-4631. Verify interchangeability with system specifications before substitution.
What are the specifications of 6936?
Key specifications for 6936: Special Features: GUNMETAL TOP AND BOTTOM DISKS AND NICKEL COPPER LOCKING PLUG. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-375-7980 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.