The Block,tackle, cataloged under National Stock Number 3940-01-435-6371, 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 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-435-6371 |
| Primary Part Number | 12366387 |
| 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 | DRILLED SWIVEL EYE AND SHACKLE |
| Maximum Tackle Diameter Accommodated | 0.375 INCHES IN |
| Load Rating | 13000.0 POUNDS MAXIMUM LBS |
| Tackle Locking Device | NOT INCLUDED |
| Sheave Outside Diameter | 7.000 INCHES NOMINAL IN |
| Tackle Accommodated Type | WIRE ROPE |
| Block Type | SNATCH |
| Style Designator | HOISTER PATTERN |
| Shell Length | 14.375 INCHES NOMINAL IN |
| Sheave Quantity | 1 |
| Material | STEEL SHELL |
| Material | COPPER ALLOY 861 OR COPPER ALLOY 862 OR COPPER ALLOY 863 SHEAVE |
| 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 |
|---|---|
| 12366387 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12366387 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| SKM-563012.03 | 3/2 Design control — primary reference U.S. Government activity |
| 12366387 | 7/2 Vendor item drawing reference Bae Systems Land & Armaments L.p. |
| 563012 | 5/9 Secondary reference U.S. Government activity |
NSN 3940-01-435-6371 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 3940-01-435-6371 has 2 manufacturer part numbers on file: 12366387 (U S Army Tank Automotive Command Amsta-Im-Mm), 12366387 (Amz Alabama Inc.).
Key specifications for 12366387: Attachment Style: DRILLED SWIVEL EYE AND SHACKLE; Maximum Tackle Diameter Accommodated: 0.375 INCHES IN; Load Rating: 13000.0 POUNDS MAXIMUM LBS; Tackle Locking Device: NOT INCLUDED. 12 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.