The Screw,shoulder, cataloged under National Stock Number 5305-01-718-2687, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Inc Unbrako Div. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-718-2687 |
| Primary Part Number | 8199381-1016 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies Inc Unbrako Div |
| Status | ACTIVE |
| Width Across Flats | 6.0 MILLIMETERS NOMINAL MM |
| Head Height | 7.0 MILLIMETERS NOMINAL MM |
| Fastener Length | 29.0 MILLIMETERS MINIMUM AND 29.5 MILLIMETERS MAXIMUM MM |
| Shoulder Length | 16.00 MILLIMETERS MINIMUM AND 16.25 MILLIMETERS MAXIMUM OVERALL MM |
| Shoulder Diameter | 9.978 MILLIMETERS MINIMUM AND 10.000 MILLIMETERS MAXIMUM OVERALL MM |
| Thread Pitch in Millimeters | 1.25 |
| Thread Length | 13.25 MILLIMETERS NOMINAL MM |
| Shoulder Shape | ROUND OVERALL |
| Material Document and Classification | ASME B18.3.1M NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 8.0 MILLIMETERS MM |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 6G G |
| Material | STEEL OVERALL |
| Thread Series Designator | M |
| Head Diameter | 12.70 MILLIMETERS MINIMUM AND 13.00 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 |
|---|---|
| 8199381-1016 PRIMARY | Sps Technologies Inc Unbrako Div (USA) |
| Reference | Meaning |
|---|---|
| 8199381 | D/9 Drawing number reference only Naval Sea Systems Command |
| 8199381-1016 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 5305-01-718-2687 is a Screw,shoulder, manufactured by Sps Technologies Inc Unbrako Div, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-718-2687 has 1 manufacturer part number on file: 8199381-1016 (Sps Technologies Inc Unbrako Div).
Key specifications for 8199381-1016: Width Across Flats: 6.0 MILLIMETERS NOMINAL MM; Head Height: 7.0 MILLIMETERS NOMINAL MM; Fastener Length: 29.0 MILLIMETERS MINIMUM AND 29.5 MILLIMETERS MAXIMUM MM; Shoulder Length: 16.00 MILLIMETERS MINIMUM AND 16.25 MILLIMETERS MAXIMUM OVERALL MM. 17 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.