The Screw,shoulder, cataloged under National Stock Number 5305-01-602-8637, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-602-8637 |
| Primary Part Number | ISO7379-M5-6X29-A4 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | International Organization for Standardization (iso) |
| Status | ACTIVE |
| Width Across Flats | 3.00 MILLIMETERS NOMINAL MM |
| Head Height | 4.32 MILLIMETERS MINIMUM AND 4.50 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 38.5 MILLIMETERS NOMINAL MM |
| Shoulder Length | 27.0 MILLIMETERS NOMINAL GRIP MM |
| Shoulder Diameter | 6.49 MILLIMETERS MINIMUM AND 6.45 MILLIMETERS MAXIMUM GRIP MM |
| Thread Pitch in Millimeters | 0.8 |
| Thread Length | 7.25 MILLIMETERS MINIMUM AND 7.75 MILLIMETERS MAXIMUM MM |
| Shoulder Shape | ROUND GRIP |
| Material Document and Classification | ASTM F738 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 5.0 MILLIMETERS MM |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | M |
| Head Diameter | 9.78 MILLIMETERS MINIMUM AND 10.00 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 |
|---|---|
| ISO7379-M5-6X29-A4 PRIMARY | International Organization for Standardization (iso) (CHE) |
NSN 5305-01-602-8637 is a Screw,shoulder, manufactured by International Organization for Standardization (iso), classified under FSC 5305, Screws. Status: active.
NSN 5305-01-602-8637 has 1 manufacturer part number on file: ISO7379-M5-6X29-A4 (International Organization for Standardization (iso)).
Key specifications for ISO7379-M5-6X29-A4: Width Across Flats: 3.00 MILLIMETERS NOMINAL MM; Head Height: 4.32 MILLIMETERS MINIMUM AND 4.50 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Fastener Length: 38.5 MILLIMETERS NOMINAL MM. 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.