The Block,tackle, cataloged under National Stock Number 3940-00-809-7167, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is Western Rigging Products, Inc. Government technical data includes 20 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-00-809-7167 |
| Primary Part Number | 2594-S11WC-NW |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | Western Rigging Products, Inc |
| Status | ACTIVE |
| Attachment Style | ROUND SWIVEL EYE |
| Sheave Bearing Lubrication Method | SELF-LUBRICATED |
| Maximum Tackle Diameter Accommodated | 0.875 INCHES IN |
| Load Rating | 17600.0 POUNDS MAXIMUM LBS |
| Tackle Locking Device | NOT INCLUDED |
| Sheave Outside Diameter | 11.000 INCHES NOMINAL IN |
| Tackle Accommodated Type | WIRE ROPE |
| Block Type | SNATCH |
| Center Pin Diameter | 1.250 INCHES NOMINAL IN |
| Style Designator | HALF-STRAP PATTERN |
| Material Document and Classification | AISI 304 ASSN STD SINGLE MATERIAL RESPONSE SHELL |
| Material Document and Classification | MIL-B-16540, GRADE A MIL SPEC SINGLE MATERIAL RESPONSE SHEAVE |
| Locking Style | SAFETY W/LATCH PIN |
| Bearing Type | PLAIN |
| Sheave Quantity | 1 |
| Material | STEEL COMP 304 SHELL |
| Material | COPPER ALLOY BEARING |
| Material | COPPER ALLOY SHEAVE |
| Material | STEEL CORROSION RESISTING CENTER PIN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 2594-S11WC-NW | Western Rigging Products, Inc (USA) |
| Reference | Meaning |
|---|---|
| 1723665 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| S8101-1723665 | 5/2 Secondary reference U.S. Government activity |
| 1723665 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3940-00-809-7167 is a Block,tackle, manufactured by Western Rigging Products, Inc, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-00-809-7167 has 1 manufacturer part number on file: 2594-S11WC-NW (Western Rigging Products, Inc).
Key specifications for 2594-S11WC-NW: Attachment Style: ROUND SWIVEL EYE; Sheave Bearing Lubrication Method: SELF-LUBRICATED; Maximum Tackle Diameter Accommodated: 0.875 INCHES IN; Load Rating: 17600.0 POUNDS MAXIMUM LBS. 20 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.