Also searched as4820-00-910-4534 ·
4820009104534 ·
NIIN 009104534 ·
00-910-4534 ·
FSC 4820 Valves, Nonpowered
Nearby stock numbers← 4820-00-910-4525 Disk Assembly, Valve
·
4820-00-910-4585 Sleeve and Slide, Directional Control Linear Valve →
4820-00-910-4534 — Valves, Nonpowered
Features
Valve,safety Relief — FSC 4820
Flow Control Device: DISK
Connection Style: PLAIN (PIPE) ALL ENDS
Connection Type: THREADED EXTERNAL PIPE ALL ENDS
Thread Direction: RIGHT-HAND ALL ENDS
Nominal Thread Size: 0.250 INCHES ALL ENDS IN
Material: ALUMINUM BODY
Thread Series Designator: NPT ALL ENDS
Identification
NSN: 4820-00-910-4534
NIIN: 009104534
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-00-910-4534, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-910-4534
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Flow Control Device
DISK
Connection Style
PLAIN (PIPE) ALL ENDS
Connection Type
THREADED EXTERNAL PIPE ALL ENDS
Thread Direction
RIGHT-HAND ALL ENDS
Nominal Thread Size
0.250 INCHES ALL ENDS IN
Material
ALUMINUM BODY
Thread Series Designator
NPT ALL ENDS
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
A14463-2
3/9Design control — primary reference
Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies
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 4820-00-910-4534?
NSN 4820-00-910-4534 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.
What are the specifications of 4820-00-910-4534?
Key specifications for 4820-00-910-4534: Flow Control Device: DISK; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Thread Direction: RIGHT-HAND ALL ENDS. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-910-4534 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.