NSN 4820-01-287-7971 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-287-7971. Manufacturer of record part number: 17537.
The Disk,valve, cataloged under National Stock Number 4820-01-287-7971, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 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
4820-01-287-7971
Primary Part Number
17537
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Hunt Valve Company, Inc.
Status
ACTIVE
Style Designator
SOLID
Material
STEEL CORROSION RESISTING
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 Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5995-01-390-409817537POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
Possible match (shared part number)Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
2510-01-559-690517537POSSIBLE MATCH
FRAME SECTION,STRUCTURAL,VEHICUL
Possible match (shared part number)Silver Eagle Manufacturing Co
NSN 4820-01-287-7971 is a Disk,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-287-7971?
NSN 4820-01-287-7971 has 2 manufacturer part numbers on file: 17537 (Hunt Valve Company, Inc.), 002-17537 (Hunt Valve Company, Inc.).
What NSN replaces 4820-01-287-7971?
2 possible matches (shared part number, not a government interchangeability claim): 5995-01-390-4098, 2510-01-559-6905. Verify interchangeability with system specifications before substitution.
What are the specifications of 17537?
Key specifications for 17537: Style Designator: SOLID; Material: STEEL CORROSION RESISTING. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-287-7971 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.