The Screw,shoulder, cataloged under National Stock Number 5305-00-531-0123, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-531-0123 |
| Primary Part Number | 82-81 |
| 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 | ACTIVE |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shoulder Length | 0.140 INCHES NOMINAL FIRST SHOULDER IN |
| Nominal Thread Diameter | 0.099 INCHES IN |
| Surface Treatment | NICKEL OVERALL |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.188 INCHES NOMINAL IN |
| Head Height | 0.080 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Fastener Length | 0.290 INCHES NOMINAL IN |
| Thread Series Designator | UNF |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Material Document and Classification | QQ-B-611 COMP B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | COPPER ALLOY 360 OVERALL |
| Thread Quantity Per Inch | 56 |
| Thread Length | 0.150 INCHES MINIMUM IN |
| Shoulder Diameter | 0.1085 INCHES MINIMUM AND 0.1086 INCHES MAXIMUM FIRST SHOULDER IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-00-531-0123 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: active.
NSN 5305-00-531-0123 has 2 cross-referenced part numbers: 117973 (Solartron Electronics Inc Weston Instruments Div), 82-81 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems).
There are 12 known substitutes for 5305-00-531-0123: 5330-00-070-4190, 9540-00-145-5802, 3110-00-156-5064 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 82-81: Shoulder Shape: ROUND FIRST SHOULDER; Shoulder Length: 0.140 INCHES NOMINAL FIRST SHOULDER IN; Nominal Thread Diameter: 0.099 INCHES IN; Surface Treatment: NICKEL OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.