The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-638-5844, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 24 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-638-5844 |
| Primary Part Number | 14397 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Hole Type | DRILLED |
| Internal Drive Style | HEXAGON |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | ROUND |
| Thread Length | 0.514 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Thread Series Designator | UNF |
| Minimum Yield Strength | 130000 POUNDS PER SQUARE INCH LBS |
| Head Style | FLAT CHAMFER |
| Head Diameter | 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Fastener Length | 0.546 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Width Across Flats | 0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN |
| Hole Quantity | 6 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Hole Diameter | 0.047 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 6 TYPE |
| Thread Class | 3A A |
| Thread Direction | RIGHT-HAND |
| Head Height | 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 14397 PRIMARY | Triumph Engine Control Systems Llc (USA) |
| FFS86TYPE4 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5305-00-638-5844 is a Screw,cap,socket Head, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-638-5844 has 2 cross-referenced part numbers: 14397 (Triumph Engine Control Systems Llc), FFS86TYPE4 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 9 known substitutes for 5305-00-638-5844: 5950-00-203-1239, 6145-00-253-2615, 5305-00-272-4595 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 14397: Hole Type: DRILLED; Internal Drive Style: HEXAGON; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL; Hole Configuration Style: ROUND. 24 total characteristics are documented in the Federal Logistics Information System.