The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-662-1291, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Perkins Engines Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-662-1291 |
| Primary Part Number | 011510816 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Perkins Engines Inc |
| Status | ACTIVE |
| Head Height | 5.4 MILLIMETERS NOMINAL MM |
| Fastener Length | 16.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.25 |
| Thread Length | 16.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 8.0 MILLIMETERS MM |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 12.8 MILLIMETERS NOMINAL MM |
| Thread Series Designator | M |
| 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 |
|---|---|
| 011510816 | Perkins Engines Inc (USA) |
| Reference | Meaning |
|---|---|
| 011510816 | 3/9 Design control — primary reference Power Great Lakes, Inc. |
| 4298313 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5305-01-662-1291 is a Screw,cap,hexagon Head, manufactured by Perkins Engines Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-662-1291 has 1 manufacturer part number on file: 011510816 (Perkins Engines Inc).
Key specifications for 011510816: Head Height: 5.4 MILLIMETERS NOMINAL MM; Fastener Length: 16.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 1.25; Thread Length: 16.0 MILLIMETERS NOMINAL MM. 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.