The Screw,shoulder, cataloged under National Stock Number 5305-01-306-3510, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-306-3510 |
| Primary Part Number | 5646-3049 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Head Height | 0.300 INCHES NOMINAL IN |
| Fastener Length | 4.754 INCHES NOMINAL IN |
| Shoulder Length | 4.254 INCHES MINIMUM AND 4.264 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.390 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.490 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | BEVEL-CONICAL |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.516 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 5646-3049 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| 5646-3049 | 3/9 Design control — primary reference Stanley Harrison Corporation |
NSN 5305-01-306-3510 is a Screw,shoulder, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-306-3510 has 1 manufacturer part number on file: 5646-3049 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for 5646-3049: Head Height: 0.300 INCHES NOMINAL IN; Fastener Length: 4.754 INCHES NOMINAL IN; Shoulder Length: 4.254 INCHES MINIMUM AND 4.264 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.390 INCHES NOMINAL FIRST SHOULDER IN. 15 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.