The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-081-5441, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Curt Manufacturing Llc. Government technical data includes 10 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-081-5441 |
| Primary Part Number | 158-26 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Curt Manufacturing Llc |
| Status | ACTIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Fastener Length | 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.399 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Height | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| Thread Series Designator | UNF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-01-081-5441 is a Screw,cap,hexagon Head, manufactured by Curt Manufacturing Llc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-081-5441 has 3 cross-referenced part numbers: 10RT20 (Oshkosh Corp), 10RT20 (Oshkosh Defense Llc), 158-26 (Curt Manufacturing Llc).
There are 5 known substitutes for 5305-01-081-5441: 3655-00-110-6365, 5340-00-335-2480, 2990-00-629-5055 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 158-26: Thread Class: 3A A; Thread Quantity Per Inch: 28; Fastener Length: 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Width Between Flats: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.