The Setscrew, cataloged under National Stock Number 5305-01-016-1361, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems. Government technical data includes 21 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.
| Parameter | Value |
|---|---|
| NSN | 5305-01-016-1361 |
| Primary Part Number | 3150230-653-17 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
| Status | ACTIVE |
| Point Diameter | 0.203 INCHES NOMINAL IN |
| Head Height | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Point Length | 0.390 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Fastener Length | 1.640 INCHES MINIMUM AND 1.687 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.440 INCHES NOMINAL IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM THREADS |
| Material Document and Classification | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 4TH MATERIAL RESPONSE OR AMS 6300 ASSN STD 5TH MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 47.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Point Style | CHAMFER DOG |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL |
| Thread Series Designator | UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3150230-653-17 PRIMARY | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA) |
NSN 5305-01-016-1361 is a Setscrew, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-016-1361 has 1 manufacturer part number on file: 3150230-653-17 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems).
Key specifications for 3150230-653-17: Point Diameter: 0.203 INCHES NOMINAL IN; Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Point Length: 0.390 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN; Fastener Length: 1.640 INCHES MINIMUM AND 1.687 INCHES MAXIMUM IN. 21 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.