The Block,tackle, cataloged under National Stock Number 3940-01-475-4983, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is Mile Marker Industries, Inc.. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-475-4983 |
| Primary Part Number | 983-60-50085-A |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | Mile Marker Industries, Inc. |
| Status | ACTIVE |
| Attachment Style | FLATTED STIFF SWIVEL HOOK |
| Sheave Bearing Lubrication Method | PRESSURE GREASE FITTING |
| Maximum Tackle Diameter Accommodated | 0.375 INCHES IN |
| Load Rating | 6000.0 POUNDS MAXIMUM LBS |
| Tackle Locking Device | NOT INCLUDED |
| Sheave Outside Diameter | 3.930 INCHES NOMINAL IN |
| Tackle Accommodated Type | WIRE ROPE |
| Block Type | SNATCH |
| Center Pin Diameter | 1.500 INCHES NOMINAL IN |
| Style Designator | HALF-DIAMOND PATTERN |
| Locking Style | SAFETY W/LATCH PIN |
| Shell Length | 9.500 INCHES NOMINAL IN |
| Bearing Type | ROLLER |
| Sheave Quantity | 1 |
| Material | STEEL OVERALL |
| Counterbalance Location | SUSPENDED FROM BLOCK |
| 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 |
|---|---|
| 983-60-50085-A PRIMARY | Mile Marker Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3940PL0839919 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 983-60-50085 | 5/9 Secondary reference Mile Marker Industries, Inc. |
NSN 3940-01-475-4983 is a Block,tackle, manufactured by Mile Marker Industries, Inc., classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-01-475-4983 has 1 manufacturer part number on file: 983-60-50085-A (Mile Marker Industries, Inc.).
Key specifications for 983-60-50085-A: Attachment Style: FLATTED STIFF SWIVEL HOOK; Sheave Bearing Lubrication Method: PRESSURE GREASE FITTING; Maximum Tackle Diameter Accommodated: 0.375 INCHES IN; Load Rating: 6000.0 POUNDS MAXIMUM LBS. 17 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.