The Screw,machine, cataloged under National Stock Number 5305-00-814-8637, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-814-8637 |
| Primary Part Number | 728500-1 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Screw Material | STEEL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 3.150 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 24 |
| Head Height | 0.130 INCHES NOMINAL IN |
| Thread Series Designator | UNF |
| Internal Drive Style | SLOT |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Length | 0.494 INCHES MINIMUM AND 0.524 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Head Style | FILLISTER |
| Screw Material Document and Classification | MIL-S-5626,PHYSICAL COND C,SURFACE COND 4 MIL SPEC SINGLE MATERIAL RESPONSE |
| Head Diameter | 0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 728500-1 PRIMARY | Lockheed Martin Corp (USA) |
NSN 5305-00-814-8637 is a Screw,machine, manufactured by Lockheed Martin Corp, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-814-8637 has 1 cross-referenced part number: 728500-1 (Lockheed Martin Corp).
There is 1 known substitute for 5305-00-814-8637: 6220-00-211-6146. Verify interchangeability with system specifications before substitution.
Key specifications for 728500-1: Screw Material: STEEL; Nominal Thread Diameter: 0.375 INCHES IN; Screw Surface Treatment: CADMIUM; Fastener Length: 3.150 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.