The Screw,instrument, cataloged under National Stock Number 5305-01-176-0617, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is American Optical Co. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-176-0617 |
| Primary Part Number | SC405A |
| Item Name | Screw,instrument |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | American Optical Co |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| SC405A PRIMARY | American Optical Co (USA) |
| Reference | Meaning |
|---|---|
| T100 SCREWS | 5/9 Secondary reference U.S. Government activity |
| 97-0895 | 5/1 Secondary reference U.S. Government activity |
NSN 5305-01-176-0617 is a Screw,instrument, manufactured by American Optical Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-176-0617 has 1 manufacturer part number on file: SC405A (American Optical Co).
Key specifications for SC405A: Special Features: FOR USE TO ATTACH TEMPLES TO FRAMES; UNIT PKG QTY: 100; Material: STEEL CORROSION RESISTING OVERALL. 1 specification is 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.