The Screw,machine, cataloged under National Stock Number 5305-01-145-8531, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Barnes Group Inc. Dba Barnes Distribution. Government technical data includes 13 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-145-8531 |
| Primary Part Number | 31124 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Barnes Group Inc. Dba Barnes Distribution |
| Status | ACTIVE |
| Screw Material | STEEL |
| Thread Quantity Per Inch | 32 |
| Internal Drive Style | SLOT |
| Head Style | ROUND |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Class | 2A A |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Head Diameter | 0.260 INCHES NOMINAL IN |
| Head Height | 0.103 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Screw Surface Treatment | NICKEL |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3070AS549-4 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| SRH-0632-032-SN | Spc Technology - Newark (USA) |
| 31124 PRIMARY | Barnes Group Inc. Dba Barnes Distribution (USA) |
NSN 5305-01-145-8531 is a Screw,machine, manufactured by Barnes Group Inc. Dba Barnes Distribution, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-145-8531 has 3 cross-referenced part numbers: 3070AS549-4 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), SRH-0632-032-SN (Spc Technology - Newark), 31124 (Barnes Group Inc. Dba Barnes Distribution).
There are 9 known substitutes for 5305-01-145-8531: 5315-00-008-5833, 3455-00-228-5228, 4720-00-775-9320 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 31124: Screw Material: STEEL; Thread Quantity Per Inch: 32; Internal Drive Style: SLOT; Head Style: ROUND. 13 total characteristics are documented in the Federal Logistics Information System.