The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-731-1645, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-731-1645 |
| Primary Part Number | ISO10642-M3X35-A2-70 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | International Organization for Standardization (iso) |
| Status | ACTIVE |
| Width Across Flats | 2.020 MILLIMETERS MINIMUM AND 2.080 MILLIMETERS MAXIMUM MM |
| Head Height | 1.522 MILLIMETERS MINIMUM AND 1.860 MILLIMETERS MAXIMUM MM |
| Fastener Length | 34.50 MILLIMETERS MINIMUM AND 35.50 MILLIMETERS MAXIMUM MM |
| Thread Pitch in Millimeters | 0.5 |
| Thread Length | 34.50 MILLIMETERS MINIMUM AND 35.50 MILLIMETERS MAXIMUM MM |
| Material Document and Classification | UNABLE TO DECODE |
| Nominal Thread Diameter | 3.0 MILLIMETERS MM |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | I9008-ISO 10642 INTERNATIONAL STD/SPEC |
| Strength Grade Designation | A2 - 70 |
| Internal Drive Style | HEXAGON |
| Countersink Angle | 90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM |
| Thread Class | 6G G |
| Material | UNABLE TO DECODE |
| Thread Series Designator | M |
| Head Diameter | 5.54 MILLIMETERS MINIMUM AND 5.81 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 |
|---|---|
| ISO10642-M3X35-A2-70 PRIMARY | International Organization for Standardization (iso) (CHE) |
| Reference | Meaning |
|---|---|
| DIN7991-M3X35-A2 | 5/9 Secondary reference Din Deutsches Institut Fur Normung Ev |
NSN 5305-01-731-1645 is a Screw,cap,socket Head, manufactured by International Organization for Standardization (iso), classified under FSC 5305, Screws. Status: active.
NSN 5305-01-731-1645 has 1 manufacturer part number on file: ISO10642-M3X35-A2-70 (International Organization for Standardization (iso)).
Key specifications for ISO10642-M3X35-A2-70: Width Across Flats: 2.020 MILLIMETERS MINIMUM AND 2.080 MILLIMETERS MAXIMUM MM; Head Height: 1.522 MILLIMETERS MINIMUM AND 1.860 MILLIMETERS MAXIMUM MM; Fastener Length: 34.50 MILLIMETERS MINIMUM AND 35.50 MILLIMETERS MAXIMUM MM; Thread Pitch in Millimeters: 0.5. 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.