The Collar,piston,breech Adapter, cataloged under National Stock Number 1015-00-736-4253, is classified within Federal Supply Class 1015 (Guns, 75mm Through 125mm) of the Weapons group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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.
| Parameter | Value |
|---|---|
| NSN | 1015-00-736-4253 |
| Primary Part Number | 7364253 |
| Item Name | Collar,piston,breech Adapter |
| FSC / FSG | 1015 / 10 — Guns, 75mm Through 125mm |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL FS4140,FS4140 TENT.,FS8640,FS8642 TENT.,FS8740 PER FED SPEC QQ-S-624,FORGING SPEC 57-105-1; 13.055 INCH OUTSIDE DIAMETER BY 2.859 INCH WIDE; 8 SPACES EQUALLY SPACED COUNTERBORE 1.000 INCH DIAMETER BY 0.281 INCH DEEP; CENTER OF TOOTH SPACE AND CENTER OF SECTOR MUST BE CENTERLINE: TOOTH DATA: 8 DIAMETRAL PITCH; 110 TEETH IN 360 DEGREES,21 TEETH SPACES; 13.020 INCH MAJOR DIAMETER; 12.875 INCH PITCH DIAMETER; 12.875 INCH DATUM DIAMETER; 12.750 INCH MINOR DIAMETER; 0.0875 TEETH THICKNESS; 0.250 INCH TEETH PITCH R.H. IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7364253 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 1015-00-736-4253 is a Collar,piston,breech Adapter, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 1015, Guns, 75mm Through 125mm. Status: active.
NSN 1015-00-736-4253 has 1 manufacturer part number on file: 7364253 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7364253: General Characteristics Item Description: STEEL FS4140,FS4140 TENT.,FS8640,FS8642 TENT.,FS8740 PER FED SPEC QQ-S-624,FORGING SPEC 57-105-1; 13.055 INCH OUTSIDE DIAMETER BY 2.859 INCH WIDE; 8 SPACES EQUALLY SPACED COUNTERBORE 1.000 INCH DIAMETER BY 0.281 INCH DEEP; CENTER OF TOOTH SPACE AND CENTER OF SECTOR MUST BE CENTERLINE: TOOTH DATA: 8 DIAMETRAL PITCH; 110 TEETH IN 360 DEGREES,21 TEETH SPACES; 13.020 INCH MAJOR DIAMETER; 12.875 INCH PITCH DIAMETER; 12.875 INCH DATUM DIAMETER; 12.750 INCH MINOR DIAMETER; 0.0875 TEETH THICKNESS; 0.250 INCH TEETH PITCH R.H. IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1015-00-736-4253 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.