The Block,tackle, cataloged under National Stock Number 3940-01-436-2331, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is Crosby Group Inc the Mckissick Plant Div. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3940-01-436-2331 |
| Primary Part Number | 8010031 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | Crosby Group Inc the Mckissick Plant Div |
| Status | ACTIVE |
| Maximum Tackle Diameter Accommodated | 0.750 INCHES IN |
| Load Rating | 40000.0 POUNDS MAXIMUM LBS |
| Sheave Outside Diameter | 24.000 INCHES NOMINAL IN |
| Tackle Accommodated Type | WIRE ROPE |
| Style Designator | OVAL PATTERN |
| Bearing Type | ROLLER |
| Sheave Quantity | 1 |
| 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 |
|---|---|
| 8010031 PRIMARY | Crosby Group Inc the Mckissick Plant Div (USA) |
| Reference | Meaning |
|---|---|
| AMD-1136 ITEM 21 | 5/1 Secondary reference Appleton Marine Inc |
| YMD-7043 | 5/1 Secondary reference Appleton Marine Inc |
NSN 3940-01-436-2331 is a Block,tackle, manufactured by Crosby Group Inc the Mckissick Plant Div, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-01-436-2331 has 1 manufacturer part number on file: 8010031 (Crosby Group Inc the Mckissick Plant Div).
Key specifications for 8010031: Maximum Tackle Diameter Accommodated: 0.750 INCHES IN; Load Rating: 40000.0 POUNDS MAXIMUM LBS; Sheave Outside Diameter: 24.000 INCHES NOMINAL IN; Tackle Accommodated Type: WIRE ROPE. 7 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.