The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-138-9549, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is U-Turn Fasteners, Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-138-9549 |
| Primary Part Number | M1080D931 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U-Turn Fasteners, Inc |
| Status | ACTIVE |
| Head Height | 7.0 MILLIMETERS NOMINAL MM |
| Fastener Length | 80.00 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.5 |
| Thread Length | 26.0 MILLIMETERS MINIMUM MM |
| Nominal Thread Diameter | 10.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 17.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Material | STEEL COMP 1040 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 |
|---|---|
| M1080D931 | U-Turn Fasteners, Inc (USA) |
| 221-080-1 | Tacoma Screw Products, Inc. Dba Tacoma Screw Products Inc (USA) |
| 67445122 | Msc Industrial Direct Co., Inc. (USA) |
| 10C80HCS/02 | Kl Jack & Co (USA) |
| Reference | Meaning |
|---|---|
| 423-580 | 3/9 Design control — primary reference Dorman Products, Inc. Dba Dorman |
NSN 5305-01-138-9549 is a Screw,cap,hexagon Head, manufactured by U-Turn Fasteners, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-138-9549 has 4 manufacturer part numbers on file: M1080D931 (U-Turn Fasteners, Inc), 221-080-1 (Tacoma Screw Products, Inc. Dba Tacoma Screw Products Inc), 67445122 (Msc Industrial Direct Co., Inc.), 10C80HCS/02 (Kl Jack & Co).
Key specifications for M1080D931: Head Height: 7.0 MILLIMETERS NOMINAL MM; Fastener Length: 80.00 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 1.5; Thread Length: 26.0 MILLIMETERS MINIMUM MM. 11 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.