The Screw,machine, cataloged under National Stock Number 5305-00-639-8253, 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 Corporation Div Rms - Mitchel Field. Government technical data includes 14 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 | 5305-00-639-8253 |
| Primary Part Number | 823957-124 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Internal Drive Style | SLOT |
| Thread Quantity Per Inch | 40 |
| Head Diameter | 0.223 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN |
| Screw Material Document and Classification | QQ-S-763,CL 7,TY A FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Screw Material | STEEL COMP 303 |
| Head Style | BINDING |
| Fastener Length | 0.188 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Screw Surface Treatment | PASSIVATE |
| Head Height | 0.056 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Length | 0.188 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 823957-124 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 5305-00-639-8253 is a Screw,machine, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-639-8253 has 1 cross-referenced part number: 823957-124 (Lockheed Martin Corporation Div Rms - Mitchel Field).
There is 1 known substitute for 5305-00-639-8253: 5305-00-054-5646. Verify interchangeability with system specifications before substitution.
Key specifications for 823957-124: Internal Drive Style: SLOT; Thread Quantity Per Inch: 40; Head Diameter: 0.223 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN; Screw Material Document and Classification: QQ-S-763,CL 7,TY A FED SPEC SINGLE MATERIAL RESPONSE. 14 total characteristics are documented in the Federal Logistics Information System.