The Screw,tapping, cataloged under National Stock Number 5305-00-451-1623, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Prestolite Electric Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-451-1623 |
| Primary Part Number | 73543 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Prestolite Electric Inc |
| Status | ACTIVE |
| Fastener Length | 0.312 INCHES NOMINAL IN |
| Nonmachine Nominal Thread Diameter | 0.138 INCHES IN |
| Nonmachine Thread Style | GIMLET POINT (TYPE A, AB OR BA) |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Head Style | HEXAGON EXTENDED WASHER |
| Head Height | 0.105 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN |
| Internal Drive Style | SLOT |
| Width Between Flats | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.302 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| Extended Washer Thickness | 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 15-066939-056 | Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company (USA) |
| 6AX257 | Oshkosh Defense Llc (USA) |
| 73543 PRIMARY | Prestolite Electric Inc (USA) |
| 84022 | Raytheon Technical Services Company (USA) |
| 73543 | Prestolite Electric Inc (USA) |
| 6AX257 | Oshkosh Corp (USA) |
NSN 5305-00-451-1623 is a Screw,tapping, manufactured by Prestolite Electric Inc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-451-1623 has 6 cross-referenced part numbers: 15-066939-056 (Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company), 6AX257 (Oshkosh Defense Llc), 73543 (Prestolite Electric Inc), 84022 (Raytheon Technical Services Company), 73543 (Prestolite Electric Inc) and 1 more.
There are 3 known substitutes for 5305-00-451-1623: 5975-00-084-1928, 3895-00-161-1460, 5950-00-401-7471. Verify interchangeability with system specifications before substitution.
Key specifications for 73543: Fastener Length: 0.312 INCHES NOMINAL IN; Nonmachine Nominal Thread Diameter: 0.138 INCHES IN; Nonmachine Thread Style: GIMLET POINT (TYPE A, AB OR BA); Surface Treatment: CADMIUM OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.