The Block,tackle, cataloged under National Stock Number 3940-01-050-5107, 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 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-050-5107 |
| Primary Part Number | 8383239 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Attachment Style | OBLONG SWIVEL EYE AND SHACKLE |
| Maximum Tackle Diameter Accommodated | 0.875 INCHES IN |
| Surface Treatment Document and Classification | TT-P-636 FED SPEC SINGLE TREATMENT RESPONSE AND TT-E-529 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Load Rating | 50000.0 POUNDS MAXIMUM LBS |
| Tackle Locking Device | NOT INCLUDED |
| Tackle Accommodated Type | WIRE ROPE |
| Block Type | SNATCH |
| Locking Style | SAFETY LOCKING |
| Surface Treatment | PAINT AND ENAMEL SEMIGLOSS OVERALL |
| Sheave Quantity | 1 |
| Antitoppling Device | NOT INCLUDED |
| 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 |
|---|---|
| 8383239 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3940-01-050-5107 is a Block,tackle, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-01-050-5107 has 1 manufacturer part number on file: 8383239 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8383239: Attachment Style: OBLONG SWIVEL EYE AND SHACKLE; Maximum Tackle Diameter Accommodated: 0.875 INCHES IN; Surface Treatment Document and Classification: TT-P-636 FED SPEC SINGLE TREATMENT RESPONSE AND TT-E-529 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Load Rating: 50000.0 POUNDS MAXIMUM LBS. 11 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.