The Clamp,block,section, cataloged under National Stock Number 5340-01-280-6244, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Librascope Corporation. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-280-6244 |
| Primary Part Number | T336014601 |
| Item Name | Clamp,block,section |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Librascope Corporation |
| Status | ACTIVE |
| Mounting Hole Quantity | 22 |
| Clamping Hole Quantity | 44 |
| Surface Treatment Document and Classification | MIL-C-5541,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE |
| Block Height | 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/6,T3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.134 INCHES MINIMUM AND 0.134 INCHES MINIMUM AND 0.141 INCHES MAXIMUM0.141 INCHES MAXIMUM IN |
| Clamping Hole Diameter | 0.136 INCHES NOMINAL ALL HOLES IN |
| Mounting Facility | UNTHREADED HOLE(S)UNTHREADED HOLE(S) |
| Surface Treatment | CHROMATE |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
|---|---|
| T336014601 PRIMARY | Lockheed Martin Librascope Corporation (USA) |
| Reference | Meaning |
|---|---|
| B4040772-1 | 5/9 Secondary reference Department of the Army Hq United States Army Communications Research and Development Command |
NSN 5340-01-280-6244 is a Clamp,block,section, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-280-6244 has 1 manufacturer part number on file: T336014601 (Lockheed Martin Librascope Corporation).
Key specifications for T336014601: Mounting Hole Quantity: 22; Clamping Hole Quantity: 44; Surface Treatment Document and Classification: MIL-C-5541,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE; Block Height: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN. 10 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.