The Setscrew, cataloged under National Stock Number 5305-01-503-6655, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-503-6655 |
| Primary Part Number | 124-6938645 PART 200 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Point Diameter | 0.137 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN |
| Width Across Flats | 0.094 INCHES NOMINAL IN |
| Point Length | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Fastener Length | 0.281 INCHES NOMINAL IN |
| Thread Length | 0.281 INCHES NOMINAL IN |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 35.0 DEGREES MINIMUM AND 40.0 DEGREES MAXIMUM |
| Nominal Thread Diameter | 0.216 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | FULL DOG |
| Nondefinitive Spec/std Data | 1, ST5 TYPE |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 124-6938645 PART 200 PRIMARY | Naval Sea Systems Command (USA) |
| 124-6938645 PART 200 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| FF-S-200 | 4/1 Identification reference U.S. Government activity |
NSN 5305-01-503-6655 is a Setscrew, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-503-6655 has 2 manufacturer part numbers on file: 124-6938645 PART 200 (Naval Sea Systems Command), 124-6938645 PART 200 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 124-6938645 PART 200: Point Diameter: 0.137 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN; Width Across Flats: 0.094 INCHES NOMINAL IN; Point Length: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Fastener Length: 0.281 INCHES NOMINAL IN. 17 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.