The Screw,machine, cataloged under National Stock Number 5305-01-718-7516, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-718-7516 |
| Primary Part Number | 561-6984994-PT-51 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Screw Material | NICKEL ALLOY AND COPPER ALLOY AND ALUMINUM |
| Thread Class | 3B |
| Thread Quantity Per Inch | 11 |
| Thread Series Designator | UNRC |
| 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 |
|---|---|
| 561-6984994-PT-51 PRIMARY | Naval Sea Systems Command (USA) |
| 68-15-5150 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6984994/SHEET 7-25 | D/9 Drawing number reference only Naval Sea Systems Command |
| H444-0501-PT-51 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5305-01-718-7516 is a Screw,machine, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-718-7516 has 2 manufacturer part numbers on file: 561-6984994-PT-51 (Naval Sea Systems Command), 68-15-5150 (Naval Sea Systems Command).
Key specifications for 561-6984994-PT-51: Fastener Length: 1.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.625 INCHES IN; Thread Direction: RIGHT-HAND; Screw Material: NICKEL ALLOY AND COPPER ALLOY AND ALUMINUM. 7 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.