The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-126-5259, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Div Huck Products Division. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-126-5259 |
| Primary Part Number | D792514-18 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| Width Across Flats | 0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN |
| Head Height | 0.308 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN |
| Fastener Length | 1.125 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 TY 1,2,OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.322 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 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 |
|---|---|
| FIT7109-1 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 965877-1C | Fastener Technology Corp (USA) |
| D792514-18 PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
| Reference | Meaning |
|---|---|
| 965877-1C | 7/2 Vendor item drawing reference U.S. Government activity |
| 10115141 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 965877-1C | 5/9 Secondary reference Fastener Innovation Technology, Inc. Dba F I T |
| D792514-18 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-126-5259 is a Screw,cap,socket Head, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-126-5259 has 3 manufacturer part numbers on file: FIT7109-1 (Fastener Innovation Technology, Inc. Dba F I T), 965877-1C (Fastener Technology Corp), D792514-18 (Huck International, Inc. Div Huck Products Division).
Key specifications for D792514-18: Width Across Flats: 0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN; Head Height: 0.308 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN; Fastener Length: 1.125 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 TY 1,2,OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.