The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-351-0771, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-351-0771 |
| Primary Part Number | 334393P03 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| Status | ACTIVE |
| Width Across Flats | 0.094 INCHES NOMINAL IN |
| Head Height | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.369 INCHES NOMINAL IN |
| Material Document and Classification | AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM 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 |
|---|---|
| 334393P03 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| 334393P03 | 5/9 Secondary reference Howden Fluid Systems |
| 334393P03 | 7/2 Vendor item drawing reference Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| 334393P03 | 7/9 Vendor item drawing reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
NSN 5305-01-351-0771 is a Screw,cap,socket Head, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-351-0771 has 1 manufacturer part number on file: 334393P03 (Fastener Innovation Technology, Inc. Dba F I T).
Key specifications for 334393P03: Width Across Flats: 0.094 INCHES NOMINAL IN; Head Height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Fastener Length: 0.625 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.