The Block,tackle, cataloged under National Stock Number 3940-01-654-2672, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is Rock Exotica. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-654-2672 |
| Primary Part Number | P22 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | Rock Exotica |
| Status | ACTIVE |
| Sheave Outside Diameter | 1.5 INCHES NOMINAL IN |
| Style Designator | HALF-DIAMOND PATTERN |
| Shell Length | 3.5 INCHES NOMINAL IN |
| Material | ALUMINUM 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 |
|---|---|
| P22 PRIMARY | Rock Exotica (USA) |
NSN 3940-01-654-2672 is a Block,tackle, manufactured by Rock Exotica, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-01-654-2672 has 1 manufacturer part number on file: P22 (Rock Exotica).
Key specifications for P22: Sheave Outside Diameter: 1.5 INCHES NOMINAL IN; Style Designator: HALF-DIAMOND PATTERN; Shell Length: 3.5 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: PULLEY, ROPE AND RIGGING. 4 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.