The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-471-5562, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Rolls Royce Corp. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-471-5562 |
| Primary Part Number | MS9489-08 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rolls Royce Corp |
| Status | ACTIVE |
| Head Height | 0.125 INCHES NOMINAL IN |
| Fastener Length | 3.250 INCHES NOMINAL IN |
| Thread Length | 0.630 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| MS9489-08 PRIMARY | Rolls Royce Corp (USA) |
| Reference | Meaning |
|---|---|
| NSN SPECIFIC V-22 AE1107C ENGINE | 5/9 Secondary reference Rolls Royce Corp |
NSN 5305-01-471-5562 is a Screw,cap,hexagon Head, manufactured by Rolls Royce Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-471-5562 has 1 manufacturer part number on file: MS9489-08 (Rolls Royce Corp).
Key specifications for MS9489-08: Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 3.250 INCHES NOMINAL IN; Thread Length: 0.630 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN; Material Document and Classification: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 12 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.