The Screw,self-Drilling, cataloged under National Stock Number 5305-01-642-5706, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-642-5706 |
| Primary Part Number | 90628A340 |
| Item Name | Screw,self-Drilling |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations |
| Status | ACTIVE |
| Width Across Flats | 0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN |
| Head Height | 0.305 INCHES NOMINAL0.305 INCHES NOMINAL IN |
| Fastener Length | 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.216 INCHES0.216 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHERHEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Point Style | SELF-DRILLINGSELF-DRILLING |
| Width Between Flats | 0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN |
| Pilot Length | 0.688 INCHES NOMINAL0.688 INCHES NOMINAL IN |
| Internal Drive Style | HEXAGONHEXAGON |
| Thread Class | 2A2A |
| Thread Quantity Per Inch | 2424 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 90628A340 | Mcmaster-Carr Supply Co (USA) |
| TEK1224-3SEAL5-PCR | Albany Steel and Brass Corp (USA) |
| 90628A340 PRIMARY | Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations (USA) |
NSN 5305-01-642-5706 is a Screw,self-Drilling, manufactured by Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-642-5706 has 3 manufacturer part numbers on file: 90628A340 (Mcmaster-Carr Supply Co), TEK1224-3SEAL5-PCR (Albany Steel and Brass Corp), 90628A340 (Infastech Decorah Llc Dba Camcar Decorah Operations Div Decorah Operations).
Key specifications for 90628A340: Width Across Flats: 0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN; Head Height: 0.305 INCHES NOMINAL0.305 INCHES NOMINAL IN; Fastener Length: 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN; Extended Washer Diameter: 0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN. 15 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.