The Bolt,shoulder, cataloged under National Stock Number 5306-01-340-4622, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. 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 | 5306-01-340-4622 |
| Primary Part Number | 5524990-1 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.907 INCHES MINIMUM AND 0.967 INCHES MAXIMUM IN |
| Fastener Length | 4.910 INCHES MINIMUM AND 4.970 INCHES MAXIMUM IN |
| Shoulder Length | 2.480 INCHES MINIMUM AND 2.500 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-Z-325 TII CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 2.450 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | SAE,GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 2.175 INCHES MINIMUM AND 2.450 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 6 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 5524990-1 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5306-01-340-4622 is a Bolt,shoulder, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-340-4622 has 1 manufacturer part number on file: 5524990-1 (Naval Sea Systems Command).
Key specifications for 5524990-1: Head Height: 0.907 INCHES MINIMUM AND 0.967 INCHES MAXIMUM IN; Fastener Length: 4.910 INCHES MINIMUM AND 4.970 INCHES MAXIMUM IN; Shoulder Length: 2.480 INCHES MINIMUM AND 2.500 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-Z-325 TII CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.