The Screw,shoulder, cataloged under National Stock Number 5305-00-638-4244, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-638-4244 |
| Primary Part Number | A85-85 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems |
| Status | CANCELLED |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Quantity Per Inch | 32 |
| Head Height | 0.102 INCHES NOMINAL IN |
| Head Diameter | 0.250 INCHES NOMINAL IN |
| Head Style | FLAT CHAMFER |
| Fastener Length | 0.398 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316 OVERALL |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Thread Length | 0.281 INCHES MINIMUM IN |
| Thread Class | 2A A |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shoulder Length | 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment | PASSIVATE OVERALL |
| Shoulder Diameter | 0.173 INCHES MINIMUM AND 0.178 INCHES MAXIMUM FIRST SHOULDER IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5305-00-638-4244 is a Screw,shoulder, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-638-4244 has 2 cross-referenced part numbers: 85-85 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), A85-85 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems).
There are 12 known substitutes for 5305-00-638-4244: 5935-00-343-7613, 2805-00-356-1346, 6520-00-431-4152 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for A85-85: Thread Direction: RIGHT-HAND; Internal Drive Style: CROSS RECESS TYPE 1; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 32. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-638-4244 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.