The Clamp,block,section, cataloged under National Stock Number 5340-01-603-4550, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Textron Aviation Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5340-01-603-4550 |
| Primary Part Number | DHS1757-55-1-76-2-37 |
| Item Name | Clamp,block,section |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Clamping Hole Quantity | 4 |
| Supplementary Features | THIS PIECE IS BENT AT APPROXIMATELY A 45 DEGREE ANGLE RUNNING THE LENGTH OF THIS RECTANGULAR SHAPED CAP ALLOWING UNIFORM DOWNWARD PRESSURE TO BE DRAWN DOWN AGAINST THE BLOCK CLAMP. THIS CAP HAS TWO HOLES DRILLED THROUGH IT IN THE CREASE OF THE BEND FOR THE CLAMP STUDS TO RUN THROUGH. |
| Style Designator | RECTANGULAR |
| Mounting Facility | UNTHREADED HOLE(S) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DHS1757-55-1-76-2-37 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| DHS1757-55-1-76-2-37 | 3/9 Design control — primary reference Beechcraft Corporation Dba Textron Aviation |
NSN 5340-01-603-4550 is a Clamp,block,section, manufactured by Textron Aviation Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-603-4550 has 1 manufacturer part number on file: DHS1757-55-1-76-2-37 (Textron Aviation Inc).
Key specifications for DHS1757-55-1-76-2-37: Mounting Hole Quantity: 2; Clamping Hole Quantity: 4; Supplementary Features: THIS PIECE IS BENT AT APPROXIMATELY A 45 DEGREE ANGLE RUNNING THE LENGTH OF THIS RECTANGULAR SHAPED CAP ALLOWING UNIFORM DOWNWARD PRESSURE TO BE DRAWN DOWN AGAINST THE BLOCK CLAMP. THIS CAP HAS TWO HOLES DRILLED THROUGH IT IN THE CREASE OF THE BEND FOR THE CLAMP STUDS TO RUN THROUGH.; Style Designator: RECTANGULAR. 5 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.