The Stop,mechanical, cataloged under National Stock Number 5340-01-358-1366, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-358-1366 |
| Primary Part Number | 223F180 |
| Item Name | Stop,mechanical |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Flange Thickness | 0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Design Type | FLANGE |
| Material Document and Classification | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | PHOSPHATE |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 223F180 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 5340-01-358-1366 is a Stop,mechanical, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-358-1366 has 1 manufacturer part number on file: 223F180 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 223F180: Flange Thickness: 0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN; Design Type: FLANGE; Material Document and Classification: MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE; Special Features: ITEM IS CIRCULAR IN SHAPE W/OD OF 0.386 IN. PORM 0.030 IN.,& ID OF 2.254 IN. PORM 0.005 IN.; ITEM HAS 2 HOLES,1 HOLE W/DIA 0.3795 IN. PORM 0.0025 IN. & 1 HOLE W/DIA 0.225 IN. PORM 0.007 IN. THAT IS CBORED 0.440 IN. PORM 0.020 IN. TO DEPTH OF 0.380 IN. PORM 0.020 IN.; ITEM IS HEAT TREATED MIL-H-6875,QUENCH AND TEMPER TO 33-38 ROCKWELL 'C'; PHOSPHATE COATING OF 5.3.1.3 OR 5.3.2.3(MIL-STD-171) W/DIMENSIONS APPLICABLE PRIOR TO COATING IN. 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.
NSN 5340-01-358-1366 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.