The Screw,machine, cataloged under National Stock Number 5305-01-517-5535, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-517-5535 |
| Primary Part Number | SC5155-3-11 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Fastener Length | 0.329 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN |
| Thread Length | 0.296 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | TITANIUM ALLOY UNS R56400 |
| Internal Drive Style | TORQUE SET |
| Countersink Angle | 129.0 DEGREES MINIMUM AND 131.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.3206 INCHES NOMINAL IN |
| 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 |
|---|---|
| SC5155-3-11 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| MSA0285-3-11 PRIMARY | Midwest Sealing Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 3D0285-3-11 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-517-5535 is a Screw,machine, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-517-5535 has 2 manufacturer part numbers on file: SC5155-3-11 (Howmet Global Fastening Systems Inc), MSA0285-3-11 (Midwest Sealing Systems Inc).
Key specifications for SC5155-3-11: Fastener Length: 0.329 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN; Thread Length: 0.296 INCHES NOMINAL IN; Nominal Thread Diameter: 0.190 INCHES IN; Head Style: FLAT COUNTERSUNK. 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.