The Screw,machine, cataloged under National Stock Number 5305-00-276-1438, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-276-1438 |
| Primary Part Number | 0453-068 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Nominal Thread Diameter | 0.086 INCHES IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 56 |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Screw Material | STEEL COMP 302 |
| Head Diameter | 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN |
| Screw Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE |
| Head Style | BINDING |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.500 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Head Height | 0.041 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 0453-068 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| MS51957-7 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 20032-7 | Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA) |
NSN 5305-00-276-1438 is a Screw,machine, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-276-1438 has 3 cross-referenced part numbers: 0453-068 (Lockheed Martin Corporation Div Rms - Mitchel Field), MS51957-7 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 20032-7 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems).
There are 5 known substitutes for 5305-00-276-1438: 5305-00-054-5641, 5940-00-534-0989, 2805-00-615-8154 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 0453-068: Nominal Thread Diameter: 0.086 INCHES IN; Thread Class: 2A A; Thread Quantity Per Inch: 56; Fastener Length: 0.500 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.