The Crank,breechblock Operating, cataloged under National Stock Number 5342-00-072-6641, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Watervliet Arsenal Div Business Development. 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 | 5342-00-072-6641 |
| Primary Part Number | 8769240 |
| Item Name | Crank,breechblock Operating |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL:AISI E4340 PER MIL-S-5000;OVER ALL LENGTH 9.230 IN.;HEIGHT 7.406.IN.;TWO END HOLES 0.625 IN.;THREE SMALL HOLES 0.164-32UNC-28,CSK 90.0;HEXAGON SECTION 2.138 IN.;DISTANCE BETWEEN ENDS 5.500 IN.;USED ON THE 165 MM,CANNON MM |
| 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 |
|---|---|
| 8769240 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
NSN 5342-00-072-6641 is a Crank,breechblock Operating, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-072-6641 has 1 manufacturer part number on file: 8769240 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 8769240: General Characteristics Item Description: MATERIAL:AISI E4340 PER MIL-S-5000;OVER ALL LENGTH 9.230 IN.;HEIGHT 7.406.IN.;TWO END HOLES 0.625 IN.;THREE SMALL HOLES 0.164-32UNC-28,CSK 90.0;HEXAGON SECTION 2.138 IN.;DISTANCE BETWEEN ENDS 5.500 IN.;USED ON THE 165 MM,CANNON MM. 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 5342-00-072-6641 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.