NSN 4820-01-559-4775 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-559-4775. Manufacturer of record part number: 8156 1.50IN.
Nearby stock numbers← 4820-01-559-4762 Sleeve and Slide, Directional Con
·
4820-01-559-4847 Valve, Regulating, Fluid Pressure →
4820-01-559-4775 — Valves, Nonpowered
Features
Valve,check — FSC 4820
Style Designator: STRAIGHT THRU FLANGED ENDS
Material Document and Classification: ASTM A351 CF8M ASSN STD SINGLE MATERIAL RESPONSE BODY
Valve Size: 1.500 INCHES IN
Face to Face Distance: 2.360 INCHES IN
Material: STEEL UNS J92900 BODY
Valve Operation Method: AUTOMATIC
1 manufacturer part number on file
Identification
NSN: 4820-01-559-4775
NIIN: 015594775
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 8156 1.50IN
Manufacturer: Warren Alloy Valve and Fitting Co Inc
General Description
The Valve,check, cataloged under National Stock Number 4820-01-559-4775, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Warren Alloy Valve and Fitting Co Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-559-4775
Primary Part Number
8156 1.50IN
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Warren Alloy Valve and Fitting Co Inc
Status
ACTIVE
Style Designator
STRAIGHT THRU FLANGED ENDS
Material Document and Classification
ASTM A351 CF8M ASSN STD SINGLE MATERIAL RESPONSE BODY
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 4820-01-559-4775?
NSN 4820-01-559-4775 is a Valve,check, manufactured by Warren Alloy Valve and Fitting Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-559-4775?
NSN 4820-01-559-4775 has 1 manufacturer part number on file: 8156 1.50IN (Warren Alloy Valve and Fitting Co Inc).
What are the specifications of 8156 1.50IN?
Key specifications for 8156 1.50IN: Style Designator: STRAIGHT THRU FLANGED ENDS; Material Document and Classification: ASTM A351 CF8M ASSN STD SINGLE MATERIAL RESPONSE BODY; Valve Size: 1.500 INCHES IN; Special Features: APPLICATION: JP5; END CONNECTIONS CROSS BOLTED WAFER; CV VALUE 52.6 GPM. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-559-4775 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.