The Screw,self-Drilling, cataloged under National Stock Number 5305-01-540-0750, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-540-0750 |
| Primary Part Number | 90122A313 |
| Item Name | Screw,self-Drilling |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Head Height | 0.151 INCHES NOMINAL0.151 INCHES NOMINAL IN |
| Fastener Length | 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.414 INCHES NOMINAL0.414 INCHES NOMINAL IN |
| Head Style | HEXAGON EXTENDED WASHERHEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Point Style | SELF-DRILLINGSELF-DRILLING |
| Width Between Flats | 0.310 INCHES NOMINAL0.310 INCHES NOMINAL IN |
| Material | STEEL COMP 4037 OVERALL |
| 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 |
|---|---|
| 90122A313 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| 12443820-001 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 12443820-001 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5305-01-540-0750 is a Screw,self-Drilling, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-540-0750 has 2 manufacturer part numbers on file: 90122A313 (Mcmaster-Carr Supply Co), 12443820-001 (Oshkosh Defense Llc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-628-3576. Verify interchangeability with system specifications before substitution.
Key specifications for 90122A313: Head Height: 0.151 INCHES NOMINAL0.151 INCHES NOMINAL IN; Fastener Length: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN; Extended Washer Diameter: 0.414 INCHES NOMINAL0.414 INCHES NOMINAL IN; Head Style: HEXAGON EXTENDED WASHERHEXAGON EXTENDED WASHER. 8 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.