The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-434-4811, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Prestolite Electric Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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 | 5305-00-434-4811 |
| Primary Part Number | 60253 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Prestolite Electric Inc |
| Status | ACTIVE |
| Locking Feature | PELLET THREADS |
| Thread Quantity Per Inch | 28 |
| Internal Drive Style | HEXAGON |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Width Across Flats | 0.156 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Direction | RIGHT-HAND |
| Head Style | FLAT COUNTERSUNK |
| Thread Class | 3A A |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Diameter | 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Thread Length | 0.517 INCHES MINIMUM IN |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 60253 | Prestolite Electric Inc (USA) |
| M62FS428-12CR | Nylok Llc (USA) |
| 60253 PRIMARY | Prestolite Electric Inc (USA) |
NSN 5305-00-434-4811 is a Screw,cap,socket Head, manufactured by Prestolite Electric Inc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-434-4811 has 3 cross-referenced part numbers: 60253 (Prestolite Electric Inc), M62FS428-12CR (Nylok Llc), 60253 (Prestolite Electric Inc).
There are 3 known substitutes for 5305-00-434-4811: 5945-00-352-3000, 5845-00-876-9777, 3040-00-899-7045. Verify interchangeability with system specifications before substitution.
Key specifications for 60253: Locking Feature: PELLET THREADS; Thread Quantity Per Inch: 28; Internal Drive Style: HEXAGON; Fastener Length: 0.750 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.