The Poppet,check Valve, cataloged under National Stock Number 4820-01-208-1807, 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Supply Class 4820 (Valves, Nonpowered) of the Valves group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
Technical Specifications
Parameter
Value
NSN
4820-01-208-1807
Item Name
Poppet,check Valve
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)
Criticality Code
X
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5330-01-311-698599137419POSSIBLE MATCH
GASKET
Possible match (shared part number)Alfa Laval Inc
5998-01-354-445037419-01POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)Telephonics Corp
6150-01-659-805937419POSSIBLE MATCH
CABLE ASSEMBLY,POWER,ELECTRICAL
Possible match (shared part number)Applied Research Associates, Inc.
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
37419
3/2Design control — primary reference
U.S. Government activity
Related Parts
5330-01-311-6985POSSIBLE MATCH
GASKET
99137419
5998-01-354-4450POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
37419-01
6150-01-659-8059POSSIBLE MATCH
CABLE ASSEMBLY,POWER,ELECTRICAL
37419
Frequently Asked Questions
What is NSN 4820-01-208-1807?
NSN 4820-01-208-1807 is a Poppet,check Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-208-1807?
3 possible matches (shared part number, not a government interchangeability claim): 5330-01-311-6985, 5998-01-354-4450, 6150-01-659-8059. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-208-1807?
Key specifications for 4820-01-208-1807: End Item Identification: UH-60 ROTARY WING AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-208-1807 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.