The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-239-3518, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastener Technology Corp. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-239-3518 |
| Primary Part Number | C100109-3-5-10 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastener Technology Corp |
| Status | ACTIVE |
| Width Across Flats | 0.125 INCHES NOMINAL IN |
| Head Height | 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Fastener Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.459 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.305 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385 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 |
|---|---|
| C100109-3-5-10 | Fastener Technology Corp (USA) |
| Reference | Meaning |
|---|---|
| C9747-3-5-10 | 5/9 Secondary reference U.S. Government activity |
| C100109-3-5-10 | 3/2 Design control — primary reference U.S. Government activity |
| CA21241C-10-5-10 | 7/2 Vendor item drawing reference Howmet Global Fastening Systems Inc. Div Tridair Products |
NSN 5305-01-239-3518 is a Screw,cap,socket Head, manufactured by Fastener Technology Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-239-3518 has 1 manufacturer part number on file: C100109-3-5-10 (Fastener Technology Corp).
Key specifications for C100109-3-5-10: Width Across Flats: 0.125 INCHES NOMINAL IN; Head Height: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Fastener Length: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TY 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 15 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.