The Crank,hand, cataloged under National Stock Number 5340-01-244-3121, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Yale Industrial Products, Inc. Div Duff Norton Company. Government technical data includes 9 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-244-3121 |
| Primary Part Number | SK3810-4 |
| Item Name | Crank,hand |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Yale Industrial Products, Inc. Div Duff Norton Company |
| Status | ACTIVE |
| Mounting Facility Diameter | 0.188 INCHES NOMINAL IN |
| Handle Style | RECESSED ROUND |
| Handle Rotating Feature | INCLUDED |
| Handle Length | 3.031 INCHES NOMINAL IN |
| Ratchet | NOT INCLUDED |
| Drive Facility Style | ROUND |
| Crank Throw Length | 6.000 INCHES NOMINAL IN |
| Inside Diameter | 0.744 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Mounting Facility | UNTHREADED MOUNTING HOLES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| SK3810-4 PRIMARY | Yale Industrial Products, Inc. Div Duff Norton Company (USA) |
NSN 5340-01-244-3121 is a Crank,hand, manufactured by Yale Industrial Products, Inc. Div Duff Norton Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-244-3121 has 1 manufacturer part number on file: SK3810-4 (Yale Industrial Products, Inc. Div Duff Norton Company).
Key specifications for SK3810-4: Mounting Facility Diameter: 0.188 INCHES NOMINAL IN; Handle Style: RECESSED ROUND; Handle Rotating Feature: INCLUDED; Handle Length: 3.031 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.