The Setscrew, cataloged under National Stock Number 5305-01-680-3169, 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 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-680-3169 |
| Primary Part Number | AES39C190375UG7A11 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Width Across Flats | 0.09375 INCHES NOMINAL IN |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Material Document and Classification | R405,N04405 NI-CU ALLOY SOLID SOLUTION STRENGTHENED MONEL R405 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | CONE |
| Specification/standard Data | 05047-ASME B18.24-2015 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | NICKEL ALLOY AND COPPER ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| AES39C190375UG7A11 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| ANSI B18.3 | 5/1 Secondary reference The American Society of Mechanical Engineers |
| H552-0405-21 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5305-01-680-3169 is a Setscrew, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-680-3169 has 1 manufacturer part number on file: AES39C190375UG7A11 (The American Society of Mechanical Engineers).
Key specifications for AES39C190375UG7A11: Width Across Flats: 0.09375 INCHES NOMINAL IN; Fastener Length: 0.375 INCHES NOMINAL IN; Thread Length: 0.375 INCHES NOMINAL IN; Material Document and Classification: R405,N04405 NI-CU ALLOY SOLID SOLUTION STRENGTHENED MONEL R405 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 15 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.