The Block,tackle, cataloged under National Stock Number 3940-01-386-2748, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-386-2748 |
| Primary Part Number | 727299 |
| 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 | 1.500 INCHES IN |
| Load Rating | 10000.000 POUNDS MAXIMUM LBS |
| Sheave Outside Diameter | 6.750 INCHES NOMINAL IN |
| Tackle Accommodated Type | FIBROUS ROPE |
| Block Type | SNATCH |
| Center Pin Diameter | 1.000 INCHES NOMINAL IN |
| Style Designator | OVAL PATTERN |
| Locking Style | SAFETY LOCKING |
| Shell Length | 12.000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3940-01-386-2748 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 3940-01-386-2748 has 2 manufacturer part numbers on file: 702171 (Crosby Group Inc the Mckissick Plant Div), 727299 (Crosby Group Inc the Mckissick Plant Div).
Key specifications for 727299: Maximum Tackle Diameter Accommodated: 1.500 INCHES IN; Load Rating: 10000.000 POUNDS MAXIMUM LBS; Sheave Outside Diameter: 6.750 INCHES NOMINAL IN; Tackle Accommodated Type: FIBROUS ROPE. 10 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.