The Screw,shoulder, cataloged under National Stock Number 5305-01-378-8599, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 18 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 | 5305-01-378-8599 |
| Primary Part Number | DIN923-M3X2-5.8-A2G |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Head Height | 1.68 MILLIMETERS MINIMUM AND 1.92 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 6.5 MILLIMETERS NOMINAL MM |
| Shoulder Length | 2.0 MILLIMETERS NOMINAL FIRST SHOULDER MM |
| Surface Treatment Document and Classification | DIN 276, PART 9 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 3.97 MILLIMETERS MINIMUM AND 4.00 MILLIMETERS MAXIMUM FIRST SHOULDER MM |
| Thread Pitch in Millimeters | 0.5 |
| Thread Length | 4.5 MILLIMETERS NOMINAL MM |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ISO 898, PART 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 3.0 MILLIMETERS MM |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ZINC OVERALL |
| Internal Drive Style | SLOT |
| Material | STEEL PROPERTY CLASS 5.8 OVERALL |
| Thread Series Designator | M |
| Head Diameter | 6.78 MILLIMETERS MINIMUM AND 7.00 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 |
|---|---|
| DIN923-M3X2-5.8-A2G PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 5305-01-378-8599 is a Screw,shoulder, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-378-8599 has 1 manufacturer part number on file: DIN923-M3X2-5.8-A2G (Naval Inventory Control Point Mechanicsburg).
Key specifications for DIN923-M3X2-5.8-A2G: Head Height: 1.68 MILLIMETERS MINIMUM AND 1.92 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Fastener Length: 6.5 MILLIMETERS NOMINAL MM; Shoulder Length: 2.0 MILLIMETERS NOMINAL FIRST SHOULDER MM. 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.