The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-645-0604, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Saab Dynamics Aktiebolag Div Dynamics. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-645-0604 |
| Primary Part Number | F1303-030750 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Saab Dynamics Aktiebolag Div Dynamics |
| Status | ACTIVE |
| Head Height | 2.4 MILLIMETERS MINIMUM AND 2.6 MILLIMETERS MAXIMUM MM |
| Fastener Length | 14.0 MILLIMETERS NOMINAL MM |
| Thread Length | 12.4 MILLIMETERS NOMINAL MM |
| Hardness Rating | 19.0 BRINELL STANDARD MINIMUM AND 270.0 BRINELL STANDARD MAXIMUM OVERALL |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.1 MILLIMETERS MINIMUM AND 1.3 MILLIMETERS MAXIMUM MM |
| Color | BLACK OVERALL |
| Surface Treatment | CHROMATE ZINC OVERALL |
| Minimum Tensile Strength | 640 MEGAPASCALS |
| Thread Class | 6G G |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| F1303-030750 | Saab Dynamics Aktiebolag Div Dynamics (SWE) |
| Reference | Meaning |
|---|---|
| F1303-030750 | 3/9 Design control — primary reference Saab Dynamics Ab |
NSN 5305-01-645-0604 is a Screw,cap,socket Head, manufactured by Saab Dynamics Aktiebolag Div Dynamics, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-645-0604 has 1 manufacturer part number on file: F1303-030750 (Saab Dynamics Aktiebolag Div Dynamics).
Key specifications for F1303-030750: Head Height: 2.4 MILLIMETERS MINIMUM AND 2.6 MILLIMETERS MAXIMUM MM; Fastener Length: 14.0 MILLIMETERS NOMINAL MM; Thread Length: 12.4 MILLIMETERS NOMINAL MM; Hardness Rating: 19.0 BRINELL STANDARD MINIMUM AND 270.0 BRINELL STANDARD MAXIMUM OVERALL. 13 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.
NSN 5305-01-645-0604 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.