The Setscrew, cataloged under National Stock Number 5305-01-263-3810, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 16 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 | 5305-01-263-3810 |
| Primary Part Number | 917AS6090-3 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Width Across Flats | 0.156 INCHES NOMINAL IN |
| Fastener Length | 0.370 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MAXIMUM FASTENER |
| Material Document and Classification | MIL-F-18240 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| Material Document and Classification | MIL-T-21014,TYPE 2,CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Locking Feature | PATCH OR PELLET OR STRIP THREADS |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | PLASTIC LOCKING FEATURE |
| Material | TUNGSTEN ALLOY FASTENER |
| 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 |
|---|---|
| 917AS6090-3 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5305-01-263-3810 is a Setscrew, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-263-3810 has 1 manufacturer part number on file: 917AS6090-3 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 917AS6090-3: Width Across Flats: 0.156 INCHES NOMINAL IN; Fastener Length: 0.370 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN; Hardness Rating: 32.0 ROCKWELL C MAXIMUM FASTENER; Material Document and Classification: MIL-F-18240 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE. 16 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.