The Block,tackle, cataloged under National Stock Number 3940-00-264-4770, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is The Crosby Group Llc Dba the Crosby Group. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-00-264-4770 |
| Primary Part Number | 169356 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | The Crosby Group Llc Dba the Crosby Group |
| Status | ACTIVE |
| Attachment Style | OBLONG SWIVEL EYE |
| Sheave Bearing Lubrication Method | PRESSURE GREASE FITTING |
| Maximum Tackle Diameter Accommodated | 0.625 INCHES IN |
| Load Rating | 10280.0 POUNDS MAXIMUM LBS |
| Tackle Locking Device | NOT INCLUDED |
| Sheave Outside Diameter | 14.000 INCHES NOMINAL IN |
| Tackle Accommodated Type | WIRE ROPE |
| Block Type | SNATCH |
| Center Pin Diameter | 1.125 INCHES NOMINAL IN |
| Style Designator | ROUND PATTERN |
| Unable to Decode | UNABLE TO DECODE |
| Locking Style | SAFETY LOCKING |
| Bearing Type | PLAIN |
| Sheave Quantity | 1 |
| Material | STEEL SHEAVE |
| Material | STEEL SHELL |
| Material | STEEL CENTER PIN |
| Material | COPPER ALLOY BEARING |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MAXIMUM TACKLE DIAMETER ACCOMMODATED, ATTACHMENT STYLE, AND EXTRA LONG REFERENCE NUMBER |
| 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 |
|---|---|
| 169356 | The Crosby Group Llc Dba the Crosby Group (USA) |
| Reference | Meaning |
|---|---|
| S1801-770377PC1TO12-14-16TO22-2- | 3/1 Design control — primary reference U.S. Government activity |
NSN 3940-00-264-4770 is a Block,tackle, manufactured by The Crosby Group Llc Dba the Crosby Group, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-00-264-4770 has 1 manufacturer part number on file: 169356 (The Crosby Group Llc Dba the Crosby Group).
3 possible matches (shared part number, not a government interchangeability claim): 3940-00-264-4771, 3940-00-264-4772, 3940-00-264-4773. Verify interchangeability with system specifications before substitution.
Key specifications for 169356: Attachment Style: OBLONG SWIVEL EYE; Sheave Bearing Lubrication Method: PRESSURE GREASE FITTING; Maximum Tackle Diameter Accommodated: 0.625 INCHES IN; Load Rating: 10280.0 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.