The Stop,mechanical, cataloged under National Stock Number 5340-01-371-1091, 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 7 specifications, cited from the U.S. Government catalog. The record lists 3 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 | 5340-01-371-1091 |
| Primary Part Number | 211055739 |
| Item Name | Stop,mechanical |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Design Type | STRAIGHT |
| Material Document and Classification | QQ-N-281, CLASS A, FORM 4, COND CR FED SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.190 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| DF330642 FIND 35 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 211055739 PRIMARY | Naval Sea Systems Command (USA) |
| 801-6408782-35 | Naval Sea Systems Command (USA) |
NSN 5340-01-371-1091 is a Stop,mechanical, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-371-1091 has 3 manufacturer part numbers on file: DF330642 FIND 35 (Huntington Ingalls Inc Div Newport News Shipbuilding), 211055739 (Naval Sea Systems Command), 801-6408782-35 (Naval Sea Systems Command).
Key specifications for 211055739: Overall Height: 0.390 INCHES NOMINAL IN; Design Type: STRAIGHT; Material Document and Classification: QQ-N-281, CLASS A, FORM 4, COND CR FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 1.530 INCHES NOMINAL IN. 7 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.