The Clamp,block,section, cataloged under National Stock Number 5340-01-643-5593, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 8 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 | 5340-01-643-5593 |
| Primary Part Number | 4022286 |
| Item Name | Clamp,block,section |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Distance From End to First Clamping Hole Center | 2.0 INCHES NOMINAL IN |
| Block Height | 3.94 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR |
| Mounting Hole Diameter | 0.344 INCHES NOMINAL IN |
| Distance From End to First Mounting Hole Center | 0.50 INCHES NOMINAL IN |
| Mounting Facility | UNTHREADED HOLE(S) |
| Center to Center Distance Between First and Second Mounting Holes | 2.875 INCHES NOMINAL IN |
| 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 |
|---|---|
| 4022286 PRIMARY | Oshkosh Defense Llc (USA) |
NSN 5340-01-643-5593 is a Clamp,block,section, manufactured by Oshkosh Defense Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-643-5593 has 1 manufacturer part number on file: 4022286 (Oshkosh Defense Llc).
Key specifications for 4022286: Mounting Hole Quantity: 2; Distance From End to First Clamping Hole Center: 2.0 INCHES NOMINAL IN; Block Height: 3.94 INCHES NOMINAL IN; Style Designator: RECTANGULAR. 8 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.