The Adapter,hoisting, cataloged under National Stock Number 3940-00-771-4334, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is General Electric Company. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-00-771-4334 |
| Primary Part Number | 21C678G1 |
| Item Name | Adapter,hoisting |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Usage Design | AIRCRAFT HOISTING |
| Material Document and Classification | AMS 5060 ASSN STD 1ST MATERIAL RESPONSE AND FED STD 66, COMP 4140 FED STD 2ND MATERIAL RESPONSE |
| Material | STEEL COMP 1015 AND STEEL COMP 4140 |
| Attachment Method | CLAMP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 21C678G1 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 21C678G1 | 5/9 Secondary reference General Electric Company |
NSN 3940-00-771-4334 is a Adapter,hoisting, manufactured by General Electric Company, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-00-771-4334 has 1 manufacturer part number on file: 21C678G1 (General Electric Company).
Key specifications for 21C678G1: Usage Design: AIRCRAFT HOISTING; Material Document and Classification: AMS 5060 ASSN STD 1ST MATERIAL RESPONSE AND FED STD 66, COMP 4140 FED STD 2ND MATERIAL RESPONSE; Overall Length: 9.080 INCHES NOMINAL IN; Special Features: CLAMP,SCISSOR TYPE ATTACHED TO EYE,USED ON J-85 SERIES ENGINES. 4 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.
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.