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NSN 4820-01-303-7893Government record, cited

Valve, Bleeder, Hydraulic System4820-01-303-7893

NSN 4820-01-303-7893 · NIIN 013037893 · Part number 4140491-1

Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1SR57

Government record, cited

NSN 4820-01-303-7893 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-303-7893. Manufacturer of record part number: 4140491-1.

Also searched as 4820-01-303-7893 · 4820013037893 · NIIN 013037893 · 01-303-7893 · FSC 4820 Valves, Nonpowered · CAGE 1SR57 · 4140491-1

Nearby stock numbers ← 4820-01-303-7852 Stem, Fluid Valve · 4820-01-303-8177 →

4820-01-303-7893 — Valves, Nonpowered

Features

Valve,bleeder,hydraulic System — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons

Identification

NSN: 4820-01-303-7893
NIIN: 013037893
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 4140491-1
Manufacturer: Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons

General Description

The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-01-303-7893, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Valve,bleeder,hydraulic System
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons (CAGE 1SR57)

Technical Specifications

Parameter	Value
NSN	4820-01-303-7893
Primary Part Number	4140491-1
Item Name	Valve,bleeder,hydraulic System
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	N

Cross-Reference Index

Part Number	Manufacturer
4140491-1 PRIMARY	Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons (USA)

Reference documents

Reference	Meaning
4140491-1	5/9 Secondary reference Honeywell International Inc Div Aerospace-South Bend (bendix Dr)

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 4820-01-303-7893?

NSN 4820-01-303-7893 is a Valve,bleeder,hydraulic System, manufactured by Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-303-7893?

NSN 4820-01-303-7893 has 1 manufacturer part number on file: 4140491-1 (Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons).

Is NSN 4820-01-303-7893 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.

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