The Bolt,shoulder, cataloged under National Stock Number 5306-00-364-8784, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-364-8784 |
| Primary Part Number | A51S60504-17 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Extended Washer Thickness | 0.375 INCHES NOMINAL IN |
| Head Height | 1.370 INCHES NOMINAL IN |
| Fastener Length | 4.680 INCHES NOMINAL IN |
| Shoulder Length | 1.800 INCHES MINIMUM AND 1.810 INCHES MAXIMUM AND 1.440 INCHES MAXIMUM AND 1.450 INCHES MAXIMUM FIRST SHOULDER IN |
| Extended Washer Diameter | 2.625 INCHES NOMINAL IN |
| Shoulder Diameter | 1.307 INCHES MINIMUM AND 1.309 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.030 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.740 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| A51S60504-17 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| A51S60504-17 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| A51S60504-17 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
NSN 5306-00-364-8784 is a Bolt,shoulder, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-364-8784 has 1 manufacturer part number on file: A51S60504-17 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems).
Key specifications for A51S60504-17: Extended Washer Thickness: 0.375 INCHES NOMINAL IN; Head Height: 1.370 INCHES NOMINAL IN; Fastener Length: 4.680 INCHES NOMINAL IN; Shoulder Length: 1.800 INCHES MINIMUM AND 1.810 INCHES MAXIMUM AND 1.440 INCHES MAXIMUM AND 1.450 INCHES MAXIMUM FIRST SHOULDER IN. 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.