The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-472-1812, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Questron Aerospace / Fas-Tronics Div.. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-472-1812 |
| Primary Part Number | 16100923-003 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Questron Aerospace / Fas-Tronics Div. |
| Status | ACTIVE |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Countersink Angle | 82.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNRF |
| Head Diameter | 0.667 INCHES NOMINAL IN |
| 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 |
|---|---|
| 16100923-003 PRIMARY | Questron Aerospace / Fas-Tronics Div. (USA) |
| Reference | Meaning |
|---|---|
| 16100923-003 | 7/2 Vendor item drawing reference General Dynamics Land Systems Inc. |
NSN 5305-01-472-1812 is a Screw,cap,socket Head, manufactured by Questron Aerospace / Fas-Tronics Div., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-472-1812 has 1 manufacturer part number on file: 16100923-003 (Questron Aerospace / Fas-Tronics Div.).
Key specifications for 16100923-003: Fastener Length: 1.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.312 INCHES IN; Head Style: FLAT COUNTERSUNK; Thread Direction: RIGHT-HAND. 11 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.