The Stop,mechanical, cataloged under National Stock Number 5340-01-629-1890, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 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 | 5340-01-629-1890 |
| Primary Part Number | 7636615-1 |
| Item Name | Stop,mechanical |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Design Type | IRREGULAR |
| Material Document and Classification | ASTM A666 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A240 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 5.3 MILLIMETERS MM |
| Surface Treatment | PASSIVATE |
| Thread Class | CLASS100 |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 316 |
| Thread Series Designator | ACME |
| 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 |
|---|---|
| 7636615-1 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5340-01-629-1890 is a Stop,mechanical, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-629-1890 has 1 manufacturer part number on file: 7636615-1 (Naval Sea Systems Command).
Key specifications for 7636615-1: Overall Height: 0.236 INCHES NOMINAL IN; Design Type: IRREGULAR; Material Document and Classification: ASTM A666 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A240 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE; Nominal Thread Size: 5.3 MILLIMETERS MM. 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.