The Block,tackle, cataloged under National Stock Number 3940-00-263-3042, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-00-263-3042 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Status | ACTIVE |
| Attachment Style | FLATTED LOOSE SAFETY SNAP HOOK |
| Becket Type | FIXED EYE |
| Sheave Bearing Lubrication Method | SELF-LUBRICATED |
| Maximum Tackle Diameter Accommodated | 0.375 INCHES IN |
| Load Rating | 1200.0 POUNDS MAXIMUM LBS |
| Tackle Locking Device | NOT INCLUDED |
| Sheave Outside Diameter | 1.375 INCHES NOMINAL IN |
| Becket Quantity | 1 |
| Tackle Accommodated Type | FIBROUS ROPE |
| Block Type | REGULAR |
| Center Pin Diameter | 0.250 INCHES NOMINAL IN |
| Style Designator | OVAL PATTERN WITH SNUBBING HOOK |
| Unable to Decode | UNABLE TO DECODE |
| Shell Length | 3.125 INCHES NOMINAL IN |
| Bearing Type | PLAIN |
| Sheave Quantity | 2 |
| 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 |
| Reference | Meaning |
|---|---|
| 1802-30P | 5/9 Secondary reference Klein Tools Inc |
| SCD25249 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3940-00-263-3042 is a Block,tackle, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
Key specifications for 3940-00-263-3042: Attachment Style: FLATTED LOOSE SAFETY SNAP HOOK; Becket Type: FIXED EYE; Sheave Bearing Lubrication Method: SELF-LUBRICATED; Maximum Tackle Diameter Accommodated: 0.375 INCHES IN. 21 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.