The Breech Bolt,trainer, cataloged under National Stock Number 6920-00-867-5296, is classified within Federal Supply Class 6920 (Armament Training Devices) of the Training Aids and Devices group. The manufacturer of record is Army, United States Department of the Dba Watervliet Arsenal Div Business Development. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6920-00-867-5296 |
| Primary Part Number | 11578600 |
| Item Name | Breech Bolt,trainer |
| FSC / FSG | 6920 / 69 — Armament Training Devices |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| 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 |
|---|---|
| 11578600 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
| Reference | Meaning |
|---|---|
| 86-53-204 | 5/9 Secondary reference Harmonic Drive L.l.c. |
NSN 6920-00-867-5296 is a Breech Bolt,trainer, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 6920, Armament Training Devices. Status: active.
NSN 6920-00-867-5296 has 1 manufacturer part number on file: 11578600 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
1 possible match (shared part number, not a government interchangeability claim): 6340-00-936-9734. Verify interchangeability with system specifications before substitution.
Key specifications for 11578600: End Item Identification: USED ON TRAINER FIELD ARTILLERY M31. 0 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 6920-00-867-5296 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.