NSN 4820-01-140-7776 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-140-7776. Manufacturer of record part number: 4202037-1.
Shank Diameter: 0.328 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
Flange Diameter: 0.250 INCHES NOMINAL IN
FSC Application Data: POWER UNIT,STEERING
Style Designator: POPPET
Material Document and Classification: QQ-S-763, CLASS 440C, COND A FED SPEC SINGLE MATERIAL RESPONSE
Seat Angle: 0.187 RADIANS NOMINAL
Media for Which Designed: HYDRAULIC FLUID
Identification
NSN: 4820-01-140-7776
NIIN: 011407776
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 4202037-1
Manufacturer: Triumph Actuation Systems - Connecticut, Llc
General Description
The Disk,valve, cataloged under National Stock Number 4820-01-140-7776, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Triumph Actuation Systems - Connecticut, Llc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
4820-01-140-7776
Primary Part Number
4202037-1
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Triumph Actuation Systems - Connecticut, Llc
Status
ACTIVE
Shank Diameter
0.328 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
Flange Diameter
0.250 INCHES NOMINAL IN
FSC Application Data
POWER UNIT,STEERING
Style Designator
POPPET
Material Document and Classification
QQ-S-763, CLASS 440C, COND A FED SPEC SINGLE MATERIAL RESPONSE
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 4820-01-140-7776?
NSN 4820-01-140-7776 is a Disk,valve, manufactured by Triumph Actuation Systems - Connecticut, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-140-7776?
NSN 4820-01-140-7776 has 2 manufacturer part numbers on file: 4202037-1 (Triumph Actuation Systems - Connecticut, Llc), 4202037-1 (Transaero, Inc.).
What are the specifications of 4202037-1?
Key specifications for 4202037-1: Shank Diameter: 0.328 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN; Flange Diameter: 0.250 INCHES NOMINAL IN; Overall Height: 0.433 INCHES NOMINAL IN; FSC Application Data: POWER UNIT,STEERING. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-140-7776 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.