The Screw,tapping, cataloged under National Stock Number 5305-01-224-4644, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Prestolite Electric Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-224-4644 |
| Primary Part Number | 0344209B02 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Prestolite Electric Inc |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.164 INCHES IN |
| Extended Washer Thickness | 0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN |
| Head Height | 0.115 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Fastener Length | 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 12540460,FSC-31211 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.322 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN |
| Nonmachine Thread Style | DOG TYPE (TYPE B OR C) |
| Head Style | HEXAGON EXTENDED WASHER |
| Width Between Flats | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Surface Treatment | CHROMATE OVERALL |
| Internal Drive Style | SLOT |
| Material | STEEL 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 |
|---|---|
| 4191865 | Oshkosh Defense Llc (USA) |
| 3C44209B02 | Motorola Automotive Electronics (USA) |
| 120-102 | Prestolite Electric Inc (USA) |
| 0344209B02 PRIMARY | Prestolite Electric Inc (USA) |
| Reference | Meaning |
|---|---|
| 20-102 | 5/9 Secondary reference Motorola Automotive Electronics |
| 120-102 | 5/9 Secondary reference Prestolite Electric Inc |
NSN 5305-01-224-4644 is a Screw,tapping, manufactured by Prestolite Electric Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-224-4644 has 4 manufacturer part numbers on file: 4191865 (Oshkosh Defense Llc), 3C44209B02 (Motorola Automotive Electronics), 120-102 (Prestolite Electric Inc), 0344209B02 (Prestolite Electric Inc).
Key specifications for 0344209B02: Nonmachine Nominal Thread Diameter: 0.164 INCHES IN; Extended Washer Thickness: 0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN; Head Height: 0.115 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN; Fastener Length: 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. 12 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.