The Clamp,block,section, cataloged under National Stock Number 5340-01-374-1226, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Department of the Army Hq U S Army Electronics Research and Development Command. 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 | 5340-01-374-1226 |
| Primary Part Number | C5000820 |
| Item Name | Clamp,block,section |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Department of the Army Hq U S Army Electronics Research and Development Command |
| Status | ACTIVE |
| Mounting Slot Length | 0.550 INCHES NOMINAL IN |
| Block Height | 0.375 INCHES NOMINAL IN |
| Material Document and Classification | QQA225/8 FED SPEC SINGLE MATERIAL RESPONSE |
| Center to Center Distance Between First and Third Mounting Holes | 1.000 INCHES NOMINAL IN |
| Distance From End to First Mounting Hole Center | 0.190 INCHES NOMINAL IN |
| Mounting Facility | SLOT |
| Material | ALUMINUM ALLOY 6061 |
| Mounting Slot Width | 0.218 INCHES MINIMUM AND 0.224 INCHES MAXIMUM 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 |
|---|---|
| C5000820 PRIMARY | Department of the Army Hq U S Army Electronics Research and Development Command (USA) |
NSN 5340-01-374-1226 is a Clamp,block,section, manufactured by Department of the Army Hq U S Army Electronics Research and Development Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-374-1226 has 1 manufacturer part number on file: C5000820 (Department of the Army Hq U S Army Electronics Research and Development Command).
Key specifications for C5000820: Mounting Slot Length: 0.550 INCHES NOMINAL IN; Block Height: 0.375 INCHES NOMINAL IN; Material Document and Classification: QQA225/8 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 1.380 INCHES NOMINAL IN. 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.