The Cylinder,counter Recoil, cataloged under National Stock Number 1025-00-653-7429, is classified within Federal Supply Class 1025 (Guns, Over 150mm Through 200mm) of the Weapons group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 14 specifications, 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 | 1025-00-653-7429 |
| Primary Part Number | 6537429 |
| Item Name | Cylinder,counter Recoil |
| FSC / FSG | 1025 / 10 — Guns, Over 150mm Through 200mm |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| First Piston Rod End Thread Class | 2A ALL WORKING ENDS A |
| Compressed Length | 73.875 INCHES NOMINAL IN |
| Extended Length | 73.875 INCHES NOMINAL IN |
| Overall Diameter | 4.125 INCHES NOMINAL IN |
| First Piston Rod End Thread Quantity Per Inch | 12 ALL WORKING ENDS |
| First End External Thread Length | 1.625 INCHES NOMINAL ALL WORKING ENDS IN |
| First Piston Rod End Style | EXTERNAL THREADED ALL WORKING ENDS |
| Material Document and Classification | AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE OR AISI 8640 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Thread Direction | UNABLE TO DECODE |
| First Piston Rod End Thread Series Designator | UN ALL WORKING ENDS |
| Bore Diameter | 2.725 INCHES NOMINAL IN |
| Material | STEEL COMP 4140 OR STEEL COMP 8640 BODY |
| First Piston Rod End Thread Diameter | 3.750 INCHES NOMINAL ALL WORKING ENDS IN |
| First End Outside Diameter | 4.125 INCHES NOMINAL ALL WORKING ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6537429 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 1025-00-653-7429 is a Cylinder,counter Recoil, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 1025, Guns, Over 150mm Through 200mm. Status: active.
NSN 1025-00-653-7429 has 1 manufacturer part number on file: 6537429 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 6537429: First Piston Rod End Thread Class: 2A ALL WORKING ENDS A; Compressed Length: 73.875 INCHES NOMINAL IN; Extended Length: 73.875 INCHES NOMINAL IN; Overall Diameter: 4.125 INCHES NOMINAL IN. 14 specifications are 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 1025-00-653-7429 has DEMIL Code D. 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.