The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-418-1728, 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 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-418-1728 |
| Primary Part Number | AES07M10Z050CG9A81 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Head Height | 6.17 MILLIMETERS MINIMUM AND 6.63 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 49.2 MILLIMETERS MINIMUM AND 50.8 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | QQ-Z-325 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 1.5 |
| Thread Length | 26.0 MILLIMETERS MINIMUM AND 33.5 MILLIMETERS MAXIMUM MM |
| Nominal Thread Diameter | 10.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 15.73 MILLIMETERS MINIMUM AND 16.00 MILLIMETERS MAXIMUM MM |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Material | STEEL PROPERTY CLASS 10.9 OVERALL |
| 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 |
|---|---|
| AES07M10Z050CG9A81 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| B18231B10050N | 5/9 Secondary reference U.S. Government activity |
| AES07M050CG9A81 | 3/9 Design control — primary reference The American Society of Mechanical Engineers |
| B18.3.2.1M | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
NSN 5305-01-418-1728 is a Screw,cap,hexagon Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-418-1728 has 1 manufacturer part number on file: AES07M10Z050CG9A81 (The American Society of Mechanical Engineers).
3 possible matches (shared part number, not a government interchangeability claim): 5305-01-435-6289, 5305-01-437-7603, 5305-01-497-7302. Verify interchangeability with system specifications before substitution.
Key specifications for AES07M10Z050CG9A81: Head Height: 6.17 MILLIMETERS MINIMUM AND 6.63 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Fastener Length: 49.2 MILLIMETERS MINIMUM AND 50.8 MILLIMETERS MAXIMUM MM; Surface Treatment Document and Classification: QQ-Z-325 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 13 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.