The Block and Screw Ass, cataloged under National Stock Number 5845-00-938-3934, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Block and Screw Ass |
| FSC / FSG | 5845 — Underwater Sound Equipment (FSG 58) |
| Parameter | Value |
|---|---|
| NSN | 5845-00-938-3934 |
| Item Name | Block and Screw Ass |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| G354999 | 3/2 Design control — primary reference U.S. Government activity |
| G354999 | 5/9 Secondary reference Smiths Detection Inc. Dba Smiths Detection Inc Casc |
| G354999 | 3/9 Design control — primary reference Drs Sustainment Systems, Inc. |
NSN 5845-00-938-3934 is a Block and Screw Ass, classified under FSC 5845, Underwater Sound Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5845-01-011-8143. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). 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.