Also searched as4820-01-452-8670 ·
4820014528670 ·
NIIN 014528670 ·
01-452-8670 ·
FSC 4820 Valves, Nonpowered
Nearby stock numbers← 4820-01-452-8563 Stem, Fluid Valve
·
4820-01-452-8676 Parts Kit, Pressure Regulating VA →
4820-01-452-8670 — Valves, Nonpowered
Features
Valve,check — FSC 4820
Connection Style: DOUBLE COMPRESSION (TUBE) ALL ENDS
Mounting Position: VERTICAL
Connection Type: THREADED INTERNAL TUBE ALL ENDS
Style Designator: STRAIGHT THRU
Nominal Outside Diameter Tube Accommodated: 1.500 INCHES ALL ENDS IN
Thread Direction: LEFT-HAND ALL ENDS
Nominal Thread Size: 0.375 INCHES ALL ENDS IN
Identification
NSN: 4820-01-452-8670
NIIN: 014528670
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Valve,check, cataloged under National Stock Number 4820-01-452-8670, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
4820-01-452-8670
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Connection Style
DOUBLE COMPRESSION (TUBE) ALL ENDS
Mounting Position
VERTICAL
Connection Type
THREADED INTERNAL TUBE ALL ENDS
Style Designator
STRAIGHT THRU
Nominal Outside Diameter Tube Accommodated
1.500 INCHES ALL ENDS IN
Thread Direction
LEFT-HAND ALL ENDS
Nominal Thread Size
0.375 INCHES ALL ENDS IN
Seat Angle
12.5 DEGREES ALL ENDS
Material
STEEL COMP 303 BODY
Thread Series Designator
NPT ALL ENDS
Valve Operation Method
AUTOMATIC
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
232T-6EE
3/2Design control — primary reference
U.S. Government activity
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
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
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
D559A3M2
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 4820-01-452-8670?
NSN 4820-01-452-8670 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.
What are the specifications of 4820-01-452-8670?
Key specifications for 4820-01-452-8670: Connection Style: DOUBLE COMPRESSION (TUBE) ALL ENDS; Mounting Position: VERTICAL; Connection Type: THREADED INTERNAL TUBE ALL ENDS; Style Designator: STRAIGHT THRU. 11 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-452-8670 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.