Nearby stock numbers← 4820-01-283-8537 Parts Kit, Valve
·
4820-01-283-8542 →
4820-01-283-8538 — Valves, Nonpowered
Features
Facing,wedge — FSC 4820
General Characteristics Item Description: CHROME
Identification
NSN: 4820-01-283-8538
NIIN: 012838538
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Facing,wedge, cataloged under National Stock Number 4820-01-283-8538, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-283-8538
Item Name
Facing,wedge
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
General Characteristics Item Description
CHROME
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
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
1498/A MOD.2 4IN ITEM 16
3/9Design control — primary reference
Young and Cunningham America Inc a Joint Venture
1498/A MOD.2 4IN ITEM 16
5/9Secondary reference
Young & Cunningham (glasgow) Ltd
1498/A MOD.2 4IN ITEM 16
C/1Advisory reference — outside the item-of-supply concept
A M I Exchangers Limited
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-283-8538?
NSN 4820-01-283-8538 is a Facing,wedge, classified under FSC 4820, Valves, Nonpowered. Status: active.
What are the specifications of 4820-01-283-8538?
Key specifications for 4820-01-283-8538: General Characteristics Item Description: CHROME. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-283-8538 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.