The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-685-7443, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Nylok Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-685-7443 |
| Primary Part Number | NK500-10-6 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Nylok Llc |
| Status | CANCELLED |
| Surface Treatment | CADMIUM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Length | 0.375 INCHES MAXIMUM IN |
| Head Diameter | 0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Direction | RIGHT-HAND |
| Head Height | 0.123 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Head Style | FILLISTER |
| Locking Feature | PELLET THREADS |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Thread Quantity Per Inch | 24 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Material Document and Classification | QQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 1010 OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 10013227 | Us Army Aviation and Missile Command (USA) |
| NK500-10-6 PRIMARY | Nylok Llc (USA) |
| LP500-10-6M | Long-Lok, Llc (USA) |
| 3771U | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 10013227 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 3771U | Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA) |
| 10013227 | L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West (USA) |
NSN 5305-00-685-7443 is a Screw,cap,socket Head, manufactured by Nylok Llc, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-685-7443 has 7 cross-referenced part numbers: 10013227 (Us Army Aviation and Missile Command), NK500-10-6 (Nylok Llc), LP500-10-6M (Long-Lok, Llc), 3771U (Honeywell International Inc. Div Aerospace - Torrance), 10013227 (Lockheed Martin Corporation Div Rms - Mitchel Field) and 2 more.
There is 1 known substitute for 5305-00-685-7443: 2910-01-344-5791. Verify interchangeability with system specifications before substitution.
Key specifications for NK500-10-6: Surface Treatment: CADMIUM OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Length: 0.375 INCHES MAXIMUM IN; Head Diameter: 0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-685-7443 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.