The Stop,mechanical, cataloged under National Stock Number 5340-01-545-7724, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Harlow Aerostructures, Llc. The record lists 12 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Stop,mechanical |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Harlow Aerostructures, Llc (CAGE 14248); Tect Hypervelocity, Inc. (CAGE 34336); Malones Cnc Machining Inc (CAGE 2V045); D-J Engineering Inc Dba D-J Engineering Inc (CAGE 0C7H8); Aerometals, Inc. (CAGE 32664) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-545-7724 |
| Primary Part Number | 6-74821-1 |
| Item Name | Stop,mechanical |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Harlow Aerostructures, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 6-74821-1 | Harlow Aerostructures, Llc (USA) |
| 6-74821-1 | Tect Hypervelocity, Inc. (USA) |
| 6-74821-1 | Malones Cnc Machining Inc (USA) |
| 6-74821-1 | D-J Engineering Inc Dba D-J Engineering Inc (USA) |
| 6-74821-1 | Aerometals, Inc. (USA) |
| 6-74821-1 | Volumatic Inc Dba Volumatic Inc (USA) |
| 6-74821-1 | Pro-Fab, Llc (USA) |
| 6-74821-1 | Nordam Group Llc, the Div Nordam (USA) |
| 6-74821-1 | Infinity Fabrication, Inc. (USA) |
| 6-74821-1 | Camnetics Manufacturing Corporation (USA) |
| 6-74821-1 | Aero Components, Llc (USA) |
| 6-74821-1 | C. E. Machine Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6-74821-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-545-7724 is a Stop,mechanical, manufactured by Harlow Aerostructures, Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-545-7724 has 12 manufacturer part numbers on file: 6-74821-1 (Harlow Aerostructures, Llc), 6-74821-1 (Tect Hypervelocity, Inc.), 6-74821-1 (Malones Cnc Machining Inc), 6-74821-1 (D-J Engineering Inc Dba D-J Engineering Inc), 6-74821-1 (Aerometals, Inc.) and 7 more.
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.