Valve, Check4820-01-450-8957

NSN 4820-01-450-8957 · NIIN 014508957 · Part number 76-2IN

Bosworth Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 62471

Government record, cited

NSN 4820-01-450-8957 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-450-8957. Manufacturer of record part number: 76-2IN.

Also searched as 4820-01-450-8957 · 4820014508957 · NIIN 014508957 · 01-450-8957 · FSC 4820 Valves, Nonpowered · CAGE 62471 · 76-2IN

Nearby stock numbers ← 4820-01-450-8951 Valve, Check · 4820-01-450-8963 Valve, Globe →

4820-01-450-8957 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Valve Operation Method: AUTOMATIC
1 manufacturer part number on file
Manufacturer of record: Bosworth Co

Identification

NSN: 4820-01-450-8957
NIIN: 014508957
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 76-2IN
Manufacturer: Bosworth Co

General Description

The Valve,check, cataloged under National Stock Number 4820-01-450-8957, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bosworth Co. Government technical data includes 1 specification, 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	4820-01-450-8957
Primary Part Number	76-2IN
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Bosworth Co
Status	ACTIVE
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
76-2IN PRIMARY	Bosworth Co (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 4820-01-450-8957?

NSN 4820-01-450-8957 is a Valve,check, manufactured by Bosworth Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-450-8957?

NSN 4820-01-450-8957 has 1 manufacturer part number on file: 76-2IN (Bosworth Co).

What are the specifications of 76-2IN?

Key specifications for 76-2IN: Special Features: 4320-01-415-6646; 190 FT PATROL COASTAL FT; Valve Operation Method: AUTOMATIC. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-450-8957 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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