Valve, Stop-Check4820-01-145-9422

NSN 4820-01-145-9422 · NIIN 011459422 · Part number C322-0-B12 3-8IN

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

Government record, cited

NSN 4820-01-145-9422 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-145-9422. Manufacturer of record part number: C322-0-B12 3-8IN.

Also searched as 4820-01-145-9422 · 4820011459422 · NIIN 011459422 · 01-145-9422 · FSC 4820 Valves, Nonpowered · CAGE 11859 · C322-0-B12 3-8IN

Nearby stock numbers ← 4820-01-145-9421 Valve, Globe · 4820-01-145-9423 →

4820-01-145-9422 — Valves, Nonpowered

Features

Valve,stop-Check — FSC 4820
Flow Control Device: DISK
Nominal Pipe Size Accommodated: 0.375 INCHES ALL ENDS IN
Connection Style: SOCKET (PIPE) ALL ENDS
Mounting Position: VERTICAL
Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
Style Designator: STRAIGHT THRU
Bonnet Type: OUTSIDE SCREW-YOKE

Identification

NSN: 4820-01-145-9422
NIIN: 011459422
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: C322-0-B12 3-8IN
Manufacturer: Hunt Valve Company, Inc.

General Description

The Valve,stop-Check, cataloged under National Stock Number 4820-01-145-9422, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 11 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	4820-01-145-9422
Primary Part Number	C322-0-B12 3-8IN
Item Name	Valve,stop-Check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Hunt Valve Company, Inc.
Status	ACTIVE
Flow Control Device	DISK
Nominal Pipe Size Accommodated	0.375 INCHES ALL ENDS IN
Connection Style	SOCKET (PIPE) ALL ENDS
Mounting Position	VERTICAL
Connection Type	UNTHREADED INTERNAL PIPE ALL ENDS
Style Designator	STRAIGHT THRU
Bonnet Type	OUTSIDE SCREW-YOKE
Bonnet Attachment Method	BOLTED
Material	STEEL COMP 410 STEM
Material	STEEL COMP 316L BODY
Valve Operation Method	MANUAL

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
C322-0-B12 3-8IN PRIMARY	Hunt Valve Company, Inc. (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 4820-01-145-9422?

NSN 4820-01-145-9422 is a Valve,stop-Check, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-145-9422?

NSN 4820-01-145-9422 has 1 manufacturer part number on file: C322-0-B12 3-8IN (Hunt Valve Company, Inc.).

What are the specifications of C322-0-B12 3-8IN?

Key specifications for C322-0-B12 3-8IN: Flow Control Device: DISK; Nominal Pipe Size Accommodated: 0.375 INCHES ALL ENDS IN; Connection Style: SOCKET (PIPE) ALL ENDS; Mounting Position: VERTICAL. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-145-9422 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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