PartsTable TECHNICAL DATA SHEET

NSN 4820-01-680-9774Government record, cited

Valve, Check4820-01-680-9774

NSN 4820-01-680-9774 · NIIN 016809774 · Part number S901F6-316

William E Williams Valve Corp · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 79342

Government record, cited

NSN 4820-01-680-9774 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-680-9774. Manufacturer of record part number: S901F6-316.

Also searched as 4820-01-680-9774 · 4820016809774 · NIIN 016809774 · 01-680-9774 · FSC 4820 Valves, Nonpowered · CAGE 79342 · S901F6-316 · 11SC120216-2.5-66 REV 1

Nearby stock numbers ← 4820-01-680-9654 Gear Operator, Valve · 4820-01-680-9799 Stem, Fluid Valve →

4820-01-680-9774 — Valves, Nonpowered

Features

Valve,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: William E Williams Valve Corp

Identification

NSN: 4820-01-680-9774
NIIN: 016809774
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: S901F6-316
Manufacturer: William E Williams Valve Corp

General Description

The Valve,check, cataloged under National Stock Number 4820-01-680-9774, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is William E Williams Valve Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,check
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	William E Williams Valve Corp (CAGE 79342)

Technical Specifications

Parameter	Value
NSN	4820-01-680-9774
Primary Part Number	S901F6-316
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	William E Williams Valve Corp
Status	ACTIVE

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
S901F6-316 PRIMARY	William E Williams Valve Corp (USA)

Reference documents

Reference	Meaning
11SC120216-2.5-66 REV 1	D/9 Drawing number reference only William E Williams Valve Corp

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 4820-01-680-9774?

NSN 4820-01-680-9774 is a Valve,check, manufactured by William E Williams Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-680-9774?

NSN 4820-01-680-9774 has 1 manufacturer part number on file: S901F6-316 (William E Williams Valve Corp).

Is NSN 4820-01-680-9774 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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