The Screw,machine, cataloged under National Stock Number 5305-01-701-3810, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-701-3810 |
| Primary Part Number | AESD4C190875DS6A31 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Head Height | 0.148 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.875 INCHES NOMINAL IN |
| Screw Material Document and Classification | ASTM F837,ALLOY 304 ONLY, CONDITION CW ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.630 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Hardness Rating | 80.0 ROCKWELL B NOMINAL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | OVAL |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 05047-ASME B18.24-2020 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Screw Material | STEEL COMP 304 |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.340 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| AESD4C190875DS6A31 PRIMARY | The American Society of Mechanical Engineers (USA) |
| 91802A246 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 3108864069ITEMA31 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5305-01-701-3810 is a Screw,machine, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-701-3810 has 2 manufacturer part numbers on file: AESD4C190875DS6A31 (The American Society of Mechanical Engineers), 91802A246 (Mcmaster-Carr Supply Co).
Key specifications for AESD4C190875DS6A31: Head Height: 0.148 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.875 INCHES NOMINAL IN; Screw Material Document and Classification: ASTM F837,ALLOY 304 ONLY, CONDITION CW ASSN STD SINGLE MATERIAL RESPONSE. 18 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.