The Block,tackle, cataloged under National Stock Number 3940-00-599-9986, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-00-599-9986 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Status | ACTIVE |
| Attachment Style | FLATTED STIFF SWIVEL HOOKFLATTED STIFF SWIVEL HOOK |
| Becket Type | THIMBLETHIMBLE |
| Maximum Tackle Diameter Accommodated | 0.750 INCHES0.750 INCHES IN |
| Load Rating | 30000.0 POUNDS MAXIMUM30000.0 POUNDS MAXIMUM LBS |
| Tackle Locking Device | NOT INCLUDEDNOT INCLUDED |
| Sheave Outside Diameter | 12.750 INCHES NOMINAL12.750 INCHES NOMINAL IN |
| Becket Quantity | 11 |
| Tackle Accommodated Type | WIRE ROPEWIRE ROPE |
| Block Type | REGULARREGULAR |
| Style Designator | DIAMOND PATTERNDIAMOND PATTERN |
| Bearing Type | BALL AND BALL AND ROLLERROLLER |
| Sheave Quantity | 11 |
| Material | STEEL SHELLSTEEL SHELL |
| Material | IRON AND IRON AND STEEL SHEAVESTEEL SHEAVE |
| Material | STEEL BEARINGSTEEL BEARING |
| Material | STEEL CENTER PINSTEEL CENTER PIN |
| Antitoppling Device | NOT INCLUDEDNOT 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 |
|---|---|
| FIG301 | 3/9 Design control — primary reference Crosby Group Inc the Mckissick Plant Div |
NSN 3940-00-599-9986 is a Block,tackle, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
Key specifications for 3940-00-599-9986: Attachment Style: FLATTED STIFF SWIVEL HOOKFLATTED STIFF SWIVEL HOOK; Becket Type: THIMBLETHIMBLE; Maximum Tackle Diameter Accommodated: 0.750 INCHES0.750 INCHES IN; Load Rating: 30000.0 POUNDS MAXIMUM30000.0 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.