The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-838-6535, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-838-6535 |
| Primary Part Number | 1241654 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | CANCELLED |
| First Diameter From Head | 0.083 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Thread Quantity Per Inch | 32 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 303 OVERALL |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Class | 2A A |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.312 INCHES NOMINAL IN |
| Head Height | 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN |
| Thread Length | 0.188 INCHES MINIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Style | PAN NO. 2 |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Diameter | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5305-00-838-6535 is a Screw,externally Relieved Body, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-838-6535 has 4 cross-referenced part numbers: 10049442 (Us Army Aviation and Missile Command), 204270 (Nai Technologies Inc), G6979-103 (Singer Co the Kearfott Div), 1241654 (Lockheed Martin Corporation Div Rms - Mitchel Field).
There are 4 known substitutes for 5305-00-838-6535: 5365-00-153-7725, 5305-00-182-5327, 6150-01-217-4105 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1241654: First Diameter From Head: 0.083 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN; Externally Relieved Body Diameter Quantity: 1; Thread Quantity Per Inch: 32; Internal Drive Style: CROSS RECESS TYPE 1. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-838-6535 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.