NSN 4820-01-042-1953 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-042-1953. Manufacturer of record part number: 16-294.
The Valve,check, cataloged under National Stock Number 4820-01-042-1953, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hoyt Corporation. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-042-1953
Primary Part Number
16-294
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Hoyt Corporation
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.
5920-01-328-134516294POSSIBLE MATCH
HOLDER,ELECTROSTATIC DISCHARGER
Possible match (shared part number)Dayton-Granger, Inc.
6515-01-590-487302.207.095POSSIBLE MATCH
SCREW,BONE
Possible match (shared part number)Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
1005-01-659-900016294POSSIBLE MATCH
RIFLE,SNIPER
Possible match (shared part number)Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
NSN 4820-01-042-1953 is a Valve,check, manufactured by Hoyt Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-042-1953?
NSN 4820-01-042-1953 has 1 manufacturer part number on file: 16-294 (Hoyt Corporation).
What NSN replaces 4820-01-042-1953?
3 possible matches (shared part number, not a government interchangeability claim): 5920-01-328-1345, 6515-01-590-4873, 1005-01-659-9000. Verify interchangeability with system specifications before substitution.
What are the specifications of 16-294?
Key specifications for 16-294: Special Features: INCLOSURE FULLY INCLOSED. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-042-1953 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.