PartsTable TECHNICAL DATA SHEET

NSN 4820-00-433-2178Government record, cited

Valve, Bleeder, Hydraulic System4820-00-433-2178

NSN 4820-00-433-2178 · NIIN 004332178 · Part number C8645

Hunt Valve Company, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 11859

Government record, cited

NSN 4820-00-433-2178 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-433-2178. Manufacturer of record part number: C8645.

Also searched as 4820-00-433-2178 · 4820004332178 · NIIN 004332178 · 00-433-2178 · FSC 4820 Valves, Nonpowered · CAGE 11859 · C8645

Nearby stock numbers ← 4820-00-433-2177 · 4820-00-433-2179 Valve, Bleeder, Hydraulic System →

4820-00-433-2178 — Valves, Nonpowered

Features

Valve,bleeder,hydraulic System — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Hunt Valve Company, Inc.

Identification

NSN: 4820-00-433-2178
NIIN: 004332178
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: C8645
Manufacturer: Hunt Valve Company, Inc.

General Description

The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-00-433-2178, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	Hunt Valve Company, Inc. (CAGE 11859)

Technical Specifications

Parameter	Value
NSN	4820-00-433-2178
Primary Part Number	C8645
Item Name	Valve,bleeder,hydraulic System
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Hunt Valve Company, Inc.
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
C8645 PRIMARY	Hunt Valve Company, Inc. (USA)

Reference documents

Reference	Meaning
C8645	5/9 Secondary reference U.S. Government activity
C8645	3/9 Design control — primary reference Hunt Valve Company, Inc.

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 4820-00-433-2178?

NSN 4820-00-433-2178 is a Valve,bleeder,hydraulic System, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-00-433-2178?

NSN 4820-00-433-2178 has 1 manufacturer part number on file: C8645 (Hunt Valve Company, Inc.).

Is NSN 4820-00-433-2178 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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