Valve, Check4820-01-337-7900

NSN 4820-01-337-7900 · NIIN 013377900 · Part number B-M-377-5

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

Government record, cited

NSN 4820-01-337-7900 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-337-7900. Manufacturer of record part number: B-M-377-5.

Also searched as 4820-01-337-7900 · 4820013377900 · NIIN 013377900 · 01-337-7900 · FSC 4820 Valves, Nonpowered · CAGE 11859 · B-M-377-5 · 377 1IN B-M-377-5

Nearby stock numbers ← 4820-01-337-7899 Valve, Globe · 4820-01-337-7901 Valve, Check →

4820-01-337-7900 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Flow Control Device: DISK
Style Designator: STRAIGHT THRU
Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
Material: STEEL CORROSION RESISTING BODY
Valve Operation Method: AUTOMATIC
2 manufacturer part numbers on file
Manufacturer of record: Hunt Valve Company, Inc.

Identification

NSN: 4820-01-337-7900
NIIN: 013377900
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: B-M-377-5
Manufacturer: Hunt Valve Company, Inc.

General Description

The Valve,check, cataloged under National Stock Number 4820-01-337-7900, 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 5 specifications, 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-337-7900
Primary Part Number	B-M-377-5
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Hunt Valve Company, Inc.
Status	ACTIVE
Flow Control Device	DISK
Style Designator	STRAIGHT THRU
Material	STEEL CORROSION RESISTING FLOW CONTROL DEVICE
Material	STEEL CORROSION RESISTING BODY
Valve Operation Method	AUTOMATIC

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
377 1IN B-M-377-5	Hunt Valve Company, Inc. (USA)
B-M-377-5 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 4820-01-337-7900?

NSN 4820-01-337-7900 is a Valve,check, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-337-7900?

NSN 4820-01-337-7900 has 2 manufacturer part numbers on file: 377 1IN B-M-377-5 (Hunt Valve Company, Inc.), B-M-377-5 (Hunt Valve Company, Inc.).

What are the specifications of B-M-377-5?

Key specifications for B-M-377-5: Flow Control Device: DISK; Style Designator: STRAIGHT THRU; Special Features: VALVE SIZE 1.000 IN. IN; Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-337-7900 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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