The Bolt,shoulder, cataloged under National Stock Number 5306-01-379-9574, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-379-9574 |
| Primary Part Number | 6404329 FIND 65 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.530 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| Fastener Length | 3.060 INCHES NOMINAL IN |
| Shoulder Length | 1.430 INCHES MINIMUM AND 1.450 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.240 INCHES NOMINAL IN |
| Shoulder Shape | SQUARE ALL SHOULDERS |
| Material Document and Classification | ASTM A193 B7 ASSN STD 15TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.312 INCHES NOMINAL IN |
| Shoulder Width Across Flats | 1.250 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 9 |
| Material | STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 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 |
|---|---|
| 563-6404329-65 | Naval Sea Systems Command (USA) |
| 6404329 FIND 65 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| B552-3200-32 | 5/2 Secondary reference U.S. Government activity |
| 563-7409379-65 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 211087612 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 5306-01-379-9574 is a Bolt,shoulder, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-379-9574 has 2 manufacturer part numbers on file: 563-6404329-65 (Naval Sea Systems Command), 6404329 FIND 65 (Naval Sea Systems Command).
Key specifications for 6404329 FIND 65: Head Height: 0.530 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN; Fastener Length: 3.060 INCHES NOMINAL IN; Shoulder Length: 1.430 INCHES MINIMUM AND 1.450 INCHES MAXIMUM FIRST SHOULDER IN; Thread Length: 1.240 INCHES NOMINAL 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.