The Piston,cylinder Assembly, cataloged under National Stock Number 1025-00-446-3724, is classified within Federal Supply Class 1025 (Guns, Over 150mm Through 200mm) 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 | 1025-00-446-3724 |
| Primary Part Number | 10913509 |
| Item Name | Piston,cylinder Assembly |
| FSC / FSG | 1025 / 10 — Guns, Over 150mm Through 200mm |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL ALUMINUM BRONZE CASTING TYPE 2 CLASS 4 CONDITION AS CAST SPEC QQ-B-671; OUTSIDE DIA 3.746 IN; INSIDE DIA 1.500 IN; OVERALL 1.625 IN TK 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 |
|---|---|
| 10913509 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 1025-00-446-3724 is a Piston,cylinder Assembly, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 1025, Guns, Over 150mm Through 200mm. Status: active.
NSN 1025-00-446-3724 has 1 manufacturer part number on file: 10913509 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10913509: General Characteristics Item Description: MATERIAL ALUMINUM BRONZE CASTING TYPE 2 CLASS 4 CONDITION AS CAST SPEC QQ-B-671; OUTSIDE DIA 3.746 IN; INSIDE DIA 1.500 IN; OVERALL 1.625 IN TK 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 1025-00-446-3724 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.