The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-673-9997, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is General Motors Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-673-9997 |
| Primary Part Number | 11611128 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Head Height | 8.9 MILLIMETERS MINIMUM AND 11.9 MILLIMETERS MAXIMUM MM |
| Fastener Length | 63.6 MILLIMETERS MINIMUM AND 66.6 MILLIMETERS MAXIMUM MM |
| Extended Washer Diameter | 16.0 MILLIMETERS MINIMUM AND 19.0 MILLIMETERS MAXIMUM MM |
| Thread Pitch in Millimeters | 1.25 |
| Nominal Thread Diameter | 8.0 MILLIMETERS MM |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 9.5 MILLIMETERS MINIMUM AND 14.5 MILLIMETERS MAXIMUM MM |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 11611128 PRIMARY | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 4366630 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5305-01-673-9997 is a Screw,cap,hexagon Head, manufactured by General Motors Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-673-9997 has 1 manufacturer part number on file: 11611128 (General Motors Corp).
Key specifications for 11611128: Head Height: 8.9 MILLIMETERS MINIMUM AND 11.9 MILLIMETERS MAXIMUM MM; Fastener Length: 63.6 MILLIMETERS MINIMUM AND 66.6 MILLIMETERS MAXIMUM MM; Extended Washer Diameter: 16.0 MILLIMETERS MINIMUM AND 19.0 MILLIMETERS MAXIMUM MM; Thread Pitch in Millimeters: 1.25. 10 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.