The Collar,main Drive a, cataloged under National Stock Number 6740-00-657-6902, is classified within Federal Supply Class 6740 (Photographic Developing and Finishing Equipment) of the Photographic Equipment group. The manufacturer of record is Miller-Holzwarth Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Collar,main Drive a |
| FSC / FSG | 6740 — Photographic Developing and Finishing Equipment (FSG 67) |
| Manufacturers | Miller-Holzwarth Inc. (CAGE 02077) |
| Parameter | Value |
|---|---|
| NSN | 6740-00-657-6902 |
| Primary Part Number | B1771 |
| Item Name | Collar,main Drive a |
| FSC / FSG | 6740 / 67 — Photographic Developing and Finishing Equipment |
| Manufacturer | Miller-Holzwarth Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| B1771 PRIMARY | Miller-Holzwarth Inc. (USA) |
NSN 6740-00-657-6902 is a Collar,main Drive a, manufactured by Miller-Holzwarth Inc., classified under FSC 6740, Photographic Developing and Finishing Equipment. Status: active.
NSN 6740-00-657-6902 has 1 manufacturer part number on file: B1771 (Miller-Holzwarth Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5975-01-279-9738. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.