PartsTable TECHNICAL DATA SHEET

NSN 4820-01-166-5268Government record, cited

Valve Assembly, Tran4820-01-166-5268

NSN 4820-01-166-5268 · NIIN 011665268 · Part number 6779199

The W.w. Williams Company, Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 6H244

Government record, cited

NSN 4820-01-166-5268 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-166-5268. Manufacturer of record part number: 6779199.

Also searched as 4820-01-166-5268 · 4820011665268 · NIIN 011665268 · 01-166-5268 · FSC 4820 Valves, Nonpowered · CAGE 6H244 · 6779199 · 4820011665268

Nearby stock numbers ← 4820-01-166-5266 Valve, Transmission · 4820-01-166-5269 Valve, Transmission →

4820-01-166-5268 — Valves, Nonpowered

Features

Valve Assembly,tran — FSC 4820
1 manufacturer part number on file
Manufacturer of record: The W.w. Williams Company, Llc

Identification

NSN: 4820-01-166-5268
NIIN: 011665268
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 6779199
Manufacturer: The W.w. Williams Company, Llc

General Description

The Valve Assembly,tran, cataloged under National Stock Number 4820-01-166-5268, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The W.w. Williams Company, Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 Assembly,tran
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	The W.w. Williams Company, Llc (CAGE 6H244)

Technical Specifications

Parameter	Value
NSN	4820-01-166-5268
Primary Part Number	6779199
Item Name	Valve Assembly,tran
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	The W.w. Williams Company, Llc
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
6779199 PRIMARY	The W.w. Williams Company, Llc (USA)

Reference documents

Reference	Meaning
4820011665268	6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
6779199	5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, 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 4820-01-166-5268?

NSN 4820-01-166-5268 is a Valve Assembly,tran, manufactured by The W.w. Williams Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-166-5268?

NSN 4820-01-166-5268 has 1 manufacturer part number on file: 6779199 (The W.w. Williams Company, Llc).

Is NSN 4820-01-166-5268 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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