The Clamp,material Lifting, cataloged under National Stock Number 3940-00-039-5025, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3940-00-039-5025 |
| Primary Part Number | 8390439 |
| Item Name | Clamp,material Lifting |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Lifting Position | HORIZONTAL OR VERTICAL |
| Gripping Action Type | SCREW |
| 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 |
|---|---|
| 8390439 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 4933000395025 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3940-00-039-5025 is a Clamp,material Lifting, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-00-039-5025 has 1 manufacturer part number on file: 8390439 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8390439: Lifting Position: HORIZONTAL OR VERTICAL; Gripping Action Type: SCREW; Special Features: CONSISTS OF BOLT-1,P/N 214840; NUT-1,P/N 219424; CLAMP ASSY-1,P/N 8708563; SCREW-1,P/N 222586; SCREW-1,P/N 8708632; End Item Identification: TANK,COMBAT,FULL TRACKED; NSN 2350-00-678-5773. 2 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.