The Screw Assembly,panel, cataloged under National Stock Number 5305-01-353-6900, 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 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-353-6900 |
| Primary Part Number | FIT7803-4-4 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| Status | ACTIVE |
| Fastener Length | 1.112 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Accommodated Thickness | 0.291 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN |
| Thread Length | 0.682 INCHES MINIMUM AND 0.821 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | AMS5678 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 FASTENER |
| Material | STEEL COMP 631 SPRING |
| Thread Series Designator | UNF |
| Head Diameter | 0.360 INCHES MINIMUM AND 0.404 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 |
|---|---|
| FIT7803-4-4 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| CA21292-4-4TS | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 3D0163-4-4 | 5/9 Secondary reference Fastener Innovation Technology, Inc. Dba F I T |
| 3D0163-4-4 | 3/2 Design control — primary reference U.S. Government activity |
| 3D0163-4-4 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
NSN 5305-01-353-6900 is a Screw Assembly,panel, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-353-6900 has 2 manufacturer part numbers on file: FIT7803-4-4 (Fastener Innovation Technology, Inc. Dba F I T), CA21292-4-4TS (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for FIT7803-4-4: Fastener Length: 1.112 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Accommodated Thickness: 0.291 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN; Thread Length: 0.682 INCHES MINIMUM AND 0.821 INCHES MAXIMUM IN. 18 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.