PartsTable TECHNICAL DATA SHEET

NSN 4820-01-331-8780Government record, cited

Valve, Bleeder, Hydraulic System4820-01-331-8780

NSN 4820-01-331-8780 · NIIN 013318780 · Part number A000057-01

Noritsu America Corporation Div Government Sales · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 2J650

Government record, cited

NSN 4820-01-331-8780 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-331-8780. Manufacturer of record part number: A000057-01.

Also searched as 4820-01-331-8780 · 4820013318780 · NIIN 013318780 · 01-331-8780 · FSC 4820 Valves, Nonpowered · CAGE 2J650 · A000057-01

Nearby stock numbers ← 4820-01-331-8776 Retainer, Disk, Valve · 4820-01-331-8791 Valve, Linear, Directional Control →

4820-01-331-8780 — Valves, Nonpowered

Features

Valve,bleeder,hydraulic System — FSC 4820
Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
Material: PLASTIC BODY
Valve Operation Method: AUTOMATICAUTOMATIC
1 manufacturer part number on file
Manufacturer of record: Noritsu America Corporation Div Government Sales

Identification

NSN: 4820-01-331-8780
NIIN: 013318780
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: A000057-01
Manufacturer: Noritsu America Corporation Div Government Sales

General Description

The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-01-331-8780, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Noritsu America Corporation Div Government Sales. Government technical data includes 3 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	4820-01-331-8780
Primary Part Number	A000057-01
Item Name	Valve,bleeder,hydraulic System
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Noritsu America Corporation Div Government Sales
Status	ACTIVE
Style Designator	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
Material	PLASTIC BODY
Valve Operation Method	AUTOMATICAUTOMATIC

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
A000057-01 PRIMARY	Noritsu America Corporation Div Government Sales (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 4820-01-331-8780?

NSN 4820-01-331-8780 is a Valve,bleeder,hydraulic System, manufactured by Noritsu America Corporation Div Government Sales, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-331-8780?

NSN 4820-01-331-8780 has 1 manufacturer part number on file: A000057-01 (Noritsu America Corporation Div Government Sales).

What are the specifications of A000057-01?

Key specifications for A000057-01: Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.; Material: PLASTIC BODY; Valve Operation Method: AUTOMATICAUTOMATIC. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-331-8780 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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