NSN 4820-01-077-1792 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-077-1792. Manufacturer of record part number: 23010669.
Test Data Document: 19207-12267291 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
The Valve,check, cataloged under National Stock Number 4820-01-077-1792, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
19207-12267291 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Reference documents
Reference
Meaning
12267291
5/2Secondary reference
U.S. Government activity
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 4820-01-077-1792?
NSN 4820-01-077-1792 is a Valve,check, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-077-1792?
NSN 4820-01-077-1792 has 2 manufacturer part numbers on file: 23010669 (Allison Transmission Inc Dba Allison Transmission, Inc), 12267291 (U S Army Tank Automotive Command Amsta-Im-Mm).
What are the specifications of 23010669?
Key specifications for 23010669: Mounting Position: HORIZONTAL; Supplementary Features: FLOW CONTROL DEVICE: PLUG; Special Features: MOUNTING END IS 1.875 IN NOM DIA W/EXTERNAL THDS 12 UN-2A. SMALL END DIA IS 1.375 IN NOM,OVERALL LENGTH IS 2.320 IN NOM. END ITEM APPLICATION:NSN2350-01-087-1095 TANK,ARMD BATTLE,M1A1 A; Media for Which Designed: OIL SINGLE RESPONSE. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-077-1792 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.
What is the DEMIL code for NSN 4820-01-077-1792?
NSN 4820-01-077-1792 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.