The Screw,shoulder, cataloged under National Stock Number 5305-01-380-7250, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aerosonic Llc. Government technical data includes 17 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-380-7250 |
| Primary Part Number | 21490 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Aerosonic Llc |
| Status | ACTIVE |
| Material | STEEL COMP 303 OVERALL |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Thread Series Designator | UNF |
| Criticality Code Justification | AATN AND AATX |
| Thread Quantity Per Inch | 56 |
| Surface Treatment Document and Classification | MIL-S-7720;COND-E MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.1235 INCHES MINIMUM AND 0.1245 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Length | 0.264 INCHES MINIMUM AND 0.284 INCHES MAXIMUM FIRST SHOULDER IN |
| Internal Drive Style | SLOT |
| Nominal Thread Diameter | 0.099 INCHES IN |
| Fastener Length | 0.491 INCHES MINIMUM AND 0.511 INCHES MAXIMUM IN |
| Thread Length | 0.112 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Direction | RIGHT-HAND |
| Head Height | 0.085 INCHES NOMINAL IN |
| Head Diameter | 0.196 INCHES NOMINAL IN |
| Head Style | FLAT FILLISTER |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21490 PRIMARY | Aerosonic Llc (USA) |
NSN 5305-01-380-7250 is a Screw,shoulder, manufactured by Aerosonic Llc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-380-7250 has 1 cross-referenced part number: 21490 (Aerosonic Llc).
There are 3 known substitutes for 5305-01-380-7250: 5945-00-168-7853, 1630-01-189-4176, 5307-01-204-6572. Verify interchangeability with system specifications before substitution.
Key specifications for 21490: Material: STEEL COMP 303 OVERALL; Shoulder Shape: ROUND FIRST SHOULDER; Thread Series Designator: UNF; Criticality Code Justification: AATN AND AATX. 19 total characteristics are documented in the Federal Logistics Information System.