The Screw,machine, cataloged under National Stock Number 5305-01-534-4544, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Accurate Screw Machine Corp Div Accurate Screw Machine Corporation. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-534-4544 |
| Primary Part Number | 1816-12SS-PP12A |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| Status | ACTIVE |
| Head Height | 3.6 MILLIMETERS MINIMUM AND 3.8 MILLIMETERS MAXIMUM MM |
| Fastener Length | 13.7 MILLIMETERS NOMINAL MM |
| Thread Length | 5.8 MILLIMETERS MINIMUM AND 6.3 MILLIMETERS MAXIMUM MM |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | SLOT |
| Thread Series Designator | M |
| Head Diameter | 9.1 MILLIMETERS MINIMUM AND 9.5 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| 1816-12SS-PP12A PRIMARY | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
| Reference | Meaning |
|---|---|
| H5305-2239789 | 5/9 Secondary reference Naval Sea Systems Command |
| H5305-2239789 | 7/2 Vendor item drawing reference Raytheon Company |
NSN 5305-01-534-4544 is a Screw,machine, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-534-4544 has 1 manufacturer part number on file: 1816-12SS-PP12A (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).
Key specifications for 1816-12SS-PP12A: Head Height: 3.6 MILLIMETERS MINIMUM AND 3.8 MILLIMETERS MAXIMUM MM; Fastener Length: 13.7 MILLIMETERS NOMINAL MM; Thread Length: 5.8 MILLIMETERS MINIMUM AND 6.3 MILLIMETERS MAXIMUM MM; Head Style: PAN. 9 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.