The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-663-8093, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is International Organization for Standardization (iso). 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-663-8093 |
| Primary Part Number | ISO 4762 M4X16-8.8-A2K |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | International Organization for Standardization (iso) |
| Status | ACTIVE |
| Width Across Flats | 3.020 MILLIMETERS MINIMUM AND 3.080 MILLIMETERS MAXIMUM MM |
| Head Height | 3.82 MILLIMETERS MINIMUM AND 4.00 MILLIMETERS MAXIMUM MM |
| Fastener Length | 3.76 MILLIMETERS MINIMUM AND 4.24 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | ISO 4042 COMMERCIAL ITEM DESCRIPTION 11TH TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 0.7 |
| Thread Length | 20.0 MILLIMETERS NOMINAL MM |
| Material Document and Classification | ISO 898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Head Style | FLAT FILLISTER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | I9008-1SO 4762 NATIONAL STD/SPEC |
| Color | BLUE OVERALL |
| Surface Treatment | ZINC OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 6G G |
| Material | STEEL PROPERTY CLASS 18.8 OVERALL |
| Thread Series Designator | M |
| Head Diameter | 3.82 MILLIMETERS MINIMUM AND 4.00 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| ISO 4762 M4X16-8.8-A2K PRIMARY | International Organization for Standardization (iso) (CHE) |
| A01933 | Unac (FRA) |
| Reference | Meaning |
|---|---|
| DIN 912-M4X16-8.8-A2K | 5/9 Secondary reference Din Deutsches Institut Fur Normung Ev |
NSN 5305-01-663-8093 is a Screw,cap,socket Head, manufactured by International Organization for Standardization (iso), classified under FSC 5305, Screws. Status: active.
NSN 5305-01-663-8093 has 2 manufacturer part numbers on file: ISO 4762 M4X16-8.8-A2K (International Organization for Standardization (iso)), A01933 (Unac).
Key specifications for ISO 4762 M4X16-8.8-A2K: Width Across Flats: 3.020 MILLIMETERS MINIMUM AND 3.080 MILLIMETERS MAXIMUM MM; Head Height: 3.82 MILLIMETERS MINIMUM AND 4.00 MILLIMETERS MAXIMUM MM; Fastener Length: 3.76 MILLIMETERS MINIMUM AND 4.24 MILLIMETERS MAXIMUM MM; Surface Treatment Document and Classification: ISO 4042 COMMERCIAL ITEM DESCRIPTION 11TH TREATMENT RESPONSE OVERALL. 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.