The Block,tackle, cataloged under National Stock Number 3940-00-899-1352, 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 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3940-00-899-1352 |
| Primary Part Number | 8383238 |
| 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 | 0.750 INCHES IN |
| Load Rating | 60000.0 POUNDS MAXIMUM LBS |
| Tackle Locking Device | NOT INCLUDED |
| Sheave Outside Diameter | 10.000 INCHES NOMINAL IN |
| Tackle Accommodated Type | WIRE ROPE |
| Block Type | SNATCH |
| Center Pin Diameter | 1.500 INCHES NOMINAL IN |
| Style Designator | ROUND PATTERN |
| Locking Style | DROP LINK |
| Shell Length | 12.750 INCHES NOMINAL IN |
| Bearing Type | PLAIN |
| Surface Treatment | ENAMEL OVERALL |
| Sheave Quantity | 1 |
| Material | STEEL SHEAVE |
| Material | STEEL SHELL |
| Material | STEEL CENTER PIN |
| Material | COPPER ALLOY BEARING |
| 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 |
|---|---|
| 8383238 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3940008991352 | 5/9 Secondary reference E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3940-00-899-1352 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 3940-00-899-1352 has 1 manufacturer part number on file: 8383238 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8383238: Attachment Style: OBLONG SWIVEL EYE AND SHACKLE; Maximum Tackle Diameter Accommodated: 0.750 INCHES IN; Load Rating: 60000.0 POUNDS MAXIMUM LBS; Tackle Locking Device: NOT INCLUDED. 19 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.