The Block Tackle, cataloged under National Stock Number 3940-00-408-0593, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Block Tackle |
| FSC / FSG | 3940 — Blocks, Tackle, Rigging, and Slings (FSG 39) |
| Manufacturers | Defense Logistics Agency Dba Defense Supply Center Philadelphia (CAGE 14153) |
| Parameter | Value |
|---|---|
| NSN | 3940-00-408-0593 |
| Primary Part Number | 00299 |
| Item Name | Block Tackle |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 00299 PRIMARY | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| Reference | Meaning |
|---|---|
| AN91521-1 | 5/9 Secondary reference Bendix Corp the |
NSN 3940-00-408-0593 is a Block Tackle, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-00-408-0593 has 1 manufacturer part number on file: 00299 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
3 possible matches (shared part number, not a government interchangeability claim): 5905-00-414-5448, 6640-01-449-7249, 5315-01-725-8603. 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.