The Stop,mechanical, cataloged under National Stock Number 5340-01-523-0309, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Dynalec Corporation. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-523-0309 |
| Primary Part Number | K1397 |
| Item Name | Stop,mechanical |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Dynalec Corporation |
| Status | ACTIVE |
| Design Type | STRAIGHT |
| Material Document and Classification | SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.125 INCHES IN |
| Surface Treatment | ZINC |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| K1397 PRIMARY | Dynalec Corporation (USA) |
| PR2011-1PC74 | Dynalec Corporation (USA) |
NSN 5340-01-523-0309 is a Stop,mechanical, manufactured by Dynalec Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-523-0309 has 2 manufacturer part numbers on file: K1397 (Dynalec Corporation), PR2011-1PC74 (Dynalec Corporation).
Key specifications for K1397: Design Type: STRAIGHT; Material Document and Classification: SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 1.859 INCHES MINIMUM AND 1.891 INCHES MAXIMUM IN; Overall Width: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM 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.