The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-142-9403, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Wellman Group. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 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 | 5305-01-142-9403 |
| Primary Part Number | 149 ITEM 77 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Wellman Group |
| Status | ACTIVE |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Quantity Per Inch | 24 |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | UNF |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 149 ITEM 77 | Wellman Group (GBR) |
| X5008/12/149/77 | Wellman Group (GBR) |
| 149/77 | Wellman Group (GBR) |
| 26161 ITEM 11 | Paxton Products Inc (USA) |
| X5008/12/149 ITEM 77 | Wellman Group (GBR) |
| 27183 | Paxton Products Inc (USA) |
| 2718300 | Paxton Products Inc (USA) |
NSN 5305-01-142-9403 is a Screw,cap,socket Head, manufactured by Wellman Group, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-142-9403 has 7 cross-referenced part numbers: 149 ITEM 77 (Wellman Group), X5008/12/149/77 (Wellman Group), 149/77 (Wellman Group), 26161 ITEM 11 (Paxton Products Inc), X5008/12/149 ITEM 77 (Wellman Group) and 2 more.
There are 9 known substitutes for 5305-01-142-9403: 5950-00-231-4819, 2910-00-402-8223, 5305-00-427-6750 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 149 ITEM 77: Nominal Thread Diameter: 0.312 INCHES IN; Thread Quantity Per Inch: 24; Thread Direction: RIGHT-HAND; Thread Series Designator: UNF. 5 total characteristics are documented in the Federal Logistics Information System.