PartsTable TECHNICAL DATA SHEET

NSN 4820-01-176-4271Government record, cited

Valve, Bleeder, Hydraulic System4820-01-176-4271

NSN 4820-01-176-4271 · NIIN 011764271 · Part number VS1406

Komatsu America Corp. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0SAT8

Government record, cited

NSN 4820-01-176-4271 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-176-4271. Manufacturer of record part number: VS1406.

Also searched as 4820-01-176-4271 · 4820011764271 · NIIN 011764271 · 01-176-4271 · FSC 4820 Valves, Nonpowered · CAGE 0SAT8 · VS1406 · C-12312-B · 1130749C1 · 1130749C1

Nearby stock numbers ← 4820-01-176-4268 Cylinder, Finned Valve · 4820-01-176-4272 Stem, Fluid Valve →

4820-01-176-4271 — Valves, Nonpowered

Features

Valve,bleeder,hydraulic System — FSC 4820
Valve Size: 0.375 INCHES IN
2 manufacturer part numbers on file
Manufacturer of record: Komatsu America Corp.

Identification

NSN: 4820-01-176-4271
NIIN: 011764271
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: VS1406
Manufacturer: Komatsu America Corp.

General Description

The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-01-176-4271, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Komatsu America Corp.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-176-4271
Primary Part Number	VS1406
Item Name	Valve,bleeder,hydraulic System
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Komatsu America Corp.
Status	ACTIVE
Valve Size	0.375 INCHES IN

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

Part Number	Manufacturer
VS1406 PRIMARY	Komatsu America Corp. (USA)
1130749C1	Komatsu America Corp. (USA)

Reference documents

Reference	Meaning
C-12312-B	5/9 Secondary reference Grimes Aerospace Company
1130749C1	5/9 Secondary reference Komatsu American Intl Co
VS1406	3/9 Design control — primary reference Komatsu American Intl Co

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 4820-01-176-4271?

NSN 4820-01-176-4271 is a Valve,bleeder,hydraulic System, manufactured by Komatsu America Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-176-4271?

NSN 4820-01-176-4271 has 2 manufacturer part numbers on file: VS1406 (Komatsu America Corp.), 1130749C1 (Komatsu America Corp.).

What are the specifications of VS1406?

Key specifications for VS1406: Valve Size: 0.375 INCHES IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-176-4271 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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