The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-638-9639, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 16 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-638-9639 |
| Primary Part Number | FFS92TYPE1STYLE4S |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Height | 0.123 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Internal Drive Style | SLOT |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 60000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL COMP 1010 OVERALL |
| Thread Series Designator | UNF |
| Fastener Length | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Head Diameter | 0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Locking Feature | PATCH THREADS |
| Thread Quantity Per Inch | 32 |
| Thread Class | 2A A |
| Head Style | FILLISTER |
| Thread Length | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFS92TYPE1STYLE4S | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| NK501-10-6 | Nylen Products Inc (USA) |
NSN 5305-00-638-9639 is a Screw,cap,socket Head, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-638-9639 has 2 cross-referenced part numbers: FFS92TYPE1STYLE4S (Federal Specifications Promulgated by General Services Administration Washington DC), NK501-10-6 (Nylen Products Inc).
There is 1 known substitute for 5305-00-638-9639: 5305-00-637-8837. Verify interchangeability with system specifications before substitution.
Key specifications for FFS92TYPE1STYLE4S: Nominal Thread Diameter: 0.190 INCHES IN; Head Height: 0.123 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Internal Drive Style: SLOT; Surface Treatment: CADMIUM OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.