The Screw,machine, cataloged under National Stock Number 5305-01-435-9685, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-435-9685 |
| Primary Part Number | 803-6397434-X44XXX-034 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.162 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN |
| Fastener Length | 0.312 INCHES NOMINAL IN |
| Thread Length | 0.312 INCHES NOMINAL IN |
| Locking Feature Material | PLASTIC POLYAMIDE NYLON |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH OR PELLET OR STRIP |
| Screw Material | NICKEL AND COPPER ALLOY |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNF |
| Head Diameter | 0.594 INCHES MINIMUM AND 0.615 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 |
|---|---|
| 803-6397434-X44XXX-034 PRIMARY | Naval Sea Systems Command (USA) |
| 803-6397434-X4XXXX-034 | Naval Sea Systems Command (USA) |
| 803-6397434 ITEM NO 34 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 803-6397434-X43XXX-34 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 803-6397434-X43 XXX-034 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 803-6397434-034 BASIC | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5305-01-435-9685 is a Screw,machine, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-435-9685 has 3 manufacturer part numbers on file: 803-6397434-X44XXX-034 (Naval Sea Systems Command), 803-6397434-X4XXXX-034 (Naval Sea Systems Command), 803-6397434 ITEM NO 34 (Naval Sea Systems Command).
Key specifications for 803-6397434-X44XXX-034: Head Height: 0.162 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN; Fastener Length: 0.312 INCHES NOMINAL IN; Thread Length: 0.312 INCHES NOMINAL IN; Locking Feature Material: PLASTIC POLYAMIDE NYLON. 14 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.