The Screw,instrument, cataloged under National Stock Number 5305-00-434-4792, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-434-4792 |
| Item Name | Screw,instrument |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.015 INCHES NOMINAL IN |
| Fastener Length | 0.038 INCHES NOMINAL IN |
| Thread Length | 0.028 INCHES NOMINAL IN |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.050 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 90 |
| Material | STEEL COMP 416 OVERALL |
| Thread Series Designator | UNS |
| Head Diameter | 0.093 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 |
| Reference | Meaning |
|---|---|
| 85-0000-5232-5 | 3/9 Design control — primary reference Wollensak Optical Co |
| 523S | 5/9 Secondary reference Minnesota Mining and Mfg Co Broadcasting and Related Products Div |
NSN 5305-00-434-4792 is a Screw,instrument, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-434-4792: Head Height: 0.015 INCHES NOMINAL IN; Fastener Length: 0.038 INCHES NOMINAL IN; Thread Length: 0.028 INCHES NOMINAL IN; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 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.