The Bolt,shoulder, cataloged under National Stock Number 5306-01-442-3635, 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 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-442-3635 |
| Primary Part Number | 6665649 DASH NO. 02 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.687 INCHES NOMINAL IN |
| Fastener Length | 3.685 INCHES NOMINAL IN |
| Shoulder Length | 2.998 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 1.499 INCHES MINIMUM AND 1.500 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.815 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ASTM A564 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 2.250 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 630 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 |
|---|---|
| 6665642 PART 4 | Naval Sea Systems Command (USA) |
| 6665649 DASH NO. 02 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6665649-02 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5306-01-442-3635 is a Bolt,shoulder, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-442-3635 has 2 manufacturer part numbers on file: 6665642 PART 4 (Naval Sea Systems Command), 6665649 DASH NO. 02 (Naval Sea Systems Command).
Key specifications for 6665649 DASH NO. 02: Head Height: 0.687 INCHES NOMINAL IN; Fastener Length: 3.685 INCHES NOMINAL IN; Shoulder Length: 2.998 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 1.499 INCHES MINIMUM AND 1.500 INCHES MAXIMUM 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.