The Screw,assembled Washer, cataloged under National Stock Number 5305-01-303-6730, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Abscoa Industries Inc. Government technical data includes 22 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-303-6730 |
| Primary Part Number | AB903F6W |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Abscoa Industries Inc |
| Status | ACTIVE |
| Head Height | 0.073 INCHES NOMINAL IN |
| Fastener Length | 0.766 INCHES MINIMUM AND 0.811 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Primary Washer Outside Diameter | 0.278 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN |
| Thread Length | 0.333 INCHES NOMINAL IN |
| Material Document and Classification | AMS 3652 ASSN STD 1ST MATERIAL RESPONSE PRIMARY WASHER |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Primary Washer Style | FLAT |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM FASTENER |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4037 FASTENER |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE PRIMARY WASHER |
| Thread Series Designator | UNF |
| Washer Quantity | 1 |
| Head Diameter | 0.496 INCHES MINIMUM AND 0.510 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 |
|---|---|
| AB903F6W PRIMARY | Abscoa Industries Inc (USA) |
NSN 5305-01-303-6730 is a Screw,assembled Washer, manufactured by Abscoa Industries Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-303-6730 has 1 manufacturer part number on file: AB903F6W (Abscoa Industries Inc).
Key specifications for AB903F6W: Head Height: 0.073 INCHES NOMINAL IN; Fastener Length: 0.766 INCHES MINIMUM AND 0.811 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER; Primary Washer Outside Diameter: 0.278 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN. 22 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.