The Setscrew, cataloged under National Stock Number 5305-01-698-3942, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-698-3942 |
| Primary Part Number | AES41U375B00BW2A11 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Point Diameter | 0.250 INCHES MAXIMUM IN |
| Width Across Flats | 0.1875 INCHES NOMINAL IN |
| Point Length | 0.099 INCHES MAXIMUM IN |
| Fastener Length | 2.00 INCHES NOMINAL IN |
| Thread Length | 2.00 INCHES NOMINAL IN |
| Material Document and Classification | ASTM F468,CLASS B ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 0.281 RADIANS NOMINAL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | HALF DOG |
| Specification/standard Data | 05047-ASME B18.24-2015 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | NICKEL ALLOY R-405 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 |
|---|---|
| AES41U375B00BW2A11 PRIMARY | The American Society of Mechanical Engineers (USA) |
| 845-8543809-ITEM NO-69 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2644-785-01-ITEM NO-69 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-698-3942 is a Setscrew, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-698-3942 has 2 manufacturer part numbers on file: AES41U375B00BW2A11 (The American Society of Mechanical Engineers), 845-8543809-ITEM NO-69 (Naval Sea Systems Command).
Key specifications for AES41U375B00BW2A11: Point Diameter: 0.250 INCHES MAXIMUM IN; Width Across Flats: 0.1875 INCHES NOMINAL IN; Point Length: 0.099 INCHES MAXIMUM IN; Fastener Length: 2.00 INCHES NOMINAL IN. 17 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.