The Bar and Mask Assembly,plain,fron, cataloged under National Stock Number 6740-00-389-4812, is classified within Federal Supply Class 6740 (Photographic Developing and Finishing Equipment) of the Photographic Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6740-00-389-4812 |
| Item Name | Bar and Mask Assembly,plain,fron |
| FSC / FSG | 6740 / 67 — Photographic Developing and Finishing Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | RIGHTHAND,LIGHT MASK 1,LIGHT MASK RIB 1,MASK CUSHION 1,MASK ROD 1,MASK ROLLER 1,ROLLER KNOB 1,SETSCREW2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| C20883-2 | 3/9 Design control — primary reference Richards Imagery Interpretation Systems, L.l.c. |
NSN 6740-00-389-4812 is a Bar and Mask Assembly,plain,fron, classified under FSC 6740, Photographic Developing and Finishing Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5935-01-670-6368. Verify interchangeability with system specifications before substitution.
Key specifications for 6740-00-389-4812: General Characteristics Item Description: RIGHTHAND,LIGHT MASK 1,LIGHT MASK RIB 1,MASK CUSHION 1,MASK ROD 1,MASK ROLLER 1,ROLLER KNOB 1,SETSCREW2. 1 specification is documented in the U.S. Government catalog.
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.