The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-623-7044, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-623-7044 |
| Primary Part Number | AES14K164375BB3AB1 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Width Across Flats | 0.141 INCHES NOMINAL IN |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ZINC OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 36 |
| Material | STEEL UNS K03104 OVERALL |
| Thread Series Designator | UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AES14K164375BB3AB1 PRIMARY | The American Society of Mechanical Engineers (USA) |
| E1211147 | CAGE A01PJ |
NSN 5305-01-623-7044 is a Screw,cap,socket Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-623-7044 has 2 manufacturer part numbers on file: AES14K164375BB3AB1 (The American Society of Mechanical Engineers), E1211147.
Key specifications for AES14K164375BB3AB1: Width Across Flats: 0.141 INCHES NOMINAL IN; Fastener Length: 0.375 INCHES NOMINAL IN; Nominal Thread Diameter: 0.164 INCHES IN; Thread Direction: RIGHT-HAND. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.