NSN 4820-01-339-7464 · NIIN 013397464 · Part number 1780AS132-1
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 30003
Government record, cited
NSN 4820-01-339-7464 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-339-7464. Manufacturer of record part number: 1780AS132-1.
Also searched as4820-01-339-7464 ·
4820013397464 ·
NIIN 013397464 ·
01-339-7464 ·
FSC 4820 Valves, Nonpowered · CAGE 30003 · 1780AS132-1
Operating Pressure: 29.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Outside Diameter: 1.125 INCHES SECOND END IN
Material: COPPER ALLOY AND SILICON BODY
Identification
NSN: 4820-01-339-7464
NIIN: 013397464
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1780AS132-1
Manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
General Description
The Valve,check, cataloged under National Stock Number 4820-01-339-7464, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 7 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
4820-01-339-7464
Primary Part Number
1780AS132-1
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Status
ACTIVE
Flange Shape
HEXAGON SECOND END
Flange Shape
HEXAGON FIRST END
Style Designator
STRAIGHT THRU
Operating Pressure
29.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
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 4820-01-339-7464?
NSN 4820-01-339-7464 is a Valve,check, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-339-7464?
NSN 4820-01-339-7464 has 1 manufacturer part number on file: 1780AS132-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
What are the specifications of 1780AS132-1?
Key specifications for 1780AS132-1: Flange Shape: HEXAGON SECOND END; Flange Shape: HEXAGON FIRST END; Style Designator: STRAIGHT THRU; Operating Pressure: 29.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-339-7464 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.