The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-019-9317, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Air-Lock, Incorporated. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-019-9317 |
| Primary Part Number | 5233 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Air-Lock, Incorporated |
| Status | CANCELLED |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Head Diameter | 0.255 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Internal Drive Style | HEXAGON |
| Thread Length | 0.250 INCHES MINIMUM IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Countersink Angle | 82.0 DEGREES NOMINAL |
| Locking Feature | PATCH OR STRIP THREADS |
| Width Across Flats | 0.063 INCHES NOMINAL IN |
| Material | STEEL COMP 4037 OVERALL |
| Thread Quantity Per Inch | 40 |
| Thread Class | 3A A |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Head Style | FLAT COUNTERSUNK |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AQM60FS440-4C | Nylok Llc (USA) |
| 1611203PC22 | Naval Sea Systems Command (USA) |
| 5233 PRIMARY | Air-Lock, Incorporated (USA) |
| 55032 | Avox Systems Inc Dba Avox Systems Inc (USA) |
| AQM62FS440-4C | Nylok Llc (USA) |
NSN 5305-00-019-9317 is a Screw,cap,socket Head, manufactured by Air-Lock, Incorporated, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-019-9317 has 5 cross-referenced part numbers: AQM60FS440-4C (Nylok Llc), 1611203PC22 (Naval Sea Systems Command), 5233 (Air-Lock, Incorporated), 55032 (Avox Systems Inc Dba Avox Systems Inc), AQM62FS440-4C (Nylok Llc).
There are 12 known substitutes for 5305-00-019-9317: 5360-00-013-3633, 5815-00-125-9763, 4730-00-277-9672 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5233: Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL; Head Diameter: 0.255 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-019-9317 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.