The Screw,machine, cataloged under National Stock Number 5305-01-656-0611, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is American Society of Mechanical Engineers Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-656-0611 |
| Primary Part Number | AESZAM407012DF3A11 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | American Society of Mechanical Engineers Inc |
| Status | ACTIVE |
| Fastener Length | 12.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.7 |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | M |
| 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 |
|---|---|
| AESZAM407012DF3A11 PRIMARY | American Society of Mechanical Engineers Inc (USA) |
| Reference | Meaning |
|---|---|
| AESZAM407012DF3 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-656-0611 is a Screw,machine, manufactured by American Society of Mechanical Engineers Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-656-0611 has 1 manufacturer part number on file: AESZAM407012DF3A11 (American Society of Mechanical Engineers Inc).
Key specifications for AESZAM407012DF3A11: Fastener Length: 12.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 0.7; Nominal Thread Diameter: 4.0 MILLIMETERS MM; Head Style: HEXAGON. 6 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.