The Cylinder,recoil, cataloged under National Stock Number 1025-00-653-7430, 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 | 1025-00-653-7430 |
| Primary Part Number | 6537430 |
| Item Name | Cylinder,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 | 3A LOCATION NOT OTHERWISE SPECIFIED A |
| Compressed Length | 85.000 INCHES NOMINAL IN |
| Extended Length | 85.000 INCHES NOMINAL IN |
| Overall Diameter | 6.125 INCHES NOMINAL IN |
| First Piston Rod End Thread Quantity Per Inch | 12 LOCATION NOT OTHERWISE SPECIFIED |
| First End External Thread Length | 1.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| First Piston Rod End Style | EXTERNAL THREADED LOCATION NOT OTHERWISE SPECIFIED |
| 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 LOCATION NOT OTHERWISE SPECIFIED |
| Bore Diameter | 4.850 INCHES NOMINAL IN |
| Material | STEEL COMP 4140 OR STEEL COMP 8640 BODY |
| First Piston Rod End Thread Diameter | 5.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| First End Outside Diameter | 6.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED 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 |
|---|---|
| 6537430 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 1025-00-653-7430 is a Cylinder,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 1025-00-653-7430 has 1 manufacturer part number on file: 6537430 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 6537430: First Piston Rod End Thread Class: 3A LOCATION NOT OTHERWISE SPECIFIED A; Compressed Length: 85.000 INCHES NOMINAL IN; Extended Length: 85.000 INCHES NOMINAL IN; Overall Diameter: 6.125 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 1025-00-653-7430 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.