The Valve,angle, cataloged under National Stock Number 4820-01-283-7148, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-283-7148
Item Name
Valve,angle
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Flow Control Device
DISK
Valve Size
0.500 INCHES IN
Material
STEEL BODY
Valve Operation Method
MANUAL
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3455-01-386-939435140POSSIBLE MATCH
CUTTER,MILLING,END
Possible match (shared part number)Niagara Cutter Inc
1660-01-435-3483POSSIBLE MATCH
HEATER,AIRCRAFT
Possible match (shared part number)
1680-01-584-042035140POSSIBLE MATCH
CABLE,AIRCRAFT,MATE
Possible match (shared part number)Southwire Company Douglas Plant
5330-01-625-253635140POSSIBLE MATCH
RETAINER,SEAL
Possible match (shared part number)Greystone, Inc.
5340-01-727-965535-140POSSIBLE MATCH
COVER,ACCESS
Possible match (shared part number)Konrad Marine Inc Div Konrad Marine
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
35140
3/2Design control — primary reference
U.S. Government activity
Related Parts
3455-01-386-9394POSSIBLE MATCH
CUTTER,MILLING,END
35140
1660-01-435-3483POSSIBLE MATCH
HEATER,AIRCRAFT
1680-01-584-0420POSSIBLE MATCH
CABLE,AIRCRAFT,MATE
35140
5330-01-625-2536POSSIBLE MATCH
RETAINER,SEAL
35140
5340-01-727-9655POSSIBLE MATCH
COVER,ACCESS
35-140
Frequently Asked Questions
What is NSN 4820-01-283-7148?
NSN 4820-01-283-7148 is a Valve,angle, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-283-7148?
5 possible matches (shared part number, not a government interchangeability claim): 3455-01-386-9394, 1660-01-435-3483, 1680-01-584-0420. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-283-7148?
Key specifications for 4820-01-283-7148: Flow Control Device: DISK; Valve Size: 0.500 INCHES IN; Material: STEEL BODY; Valve Operation Method: MANUAL. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-283-7148 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.