The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-455-3780, 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 25 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 | 5306-01-455-3780 |
| Primary Part Number | 167-6404600 FIND 133 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Extended Washer Thickness | 0.250 INCHES NOMINAL IN |
| Point Diameter | 1.134 INCHES MINIMUM AND 1.144 INCHES MAXIMUM IN |
| Head Height | 1.320 INCHES NOMINAL IN |
| Fastener Length | 6.590 INCHES NOMINAL IN |
| Extended Washer Diameter | 2.250 INCHES NOMINAL IN |
| Thread Length | 0.770 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-286 FORM 2 COND ANL,AH,FIN-A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 45.0 DEGREES NOMINAL |
| First Diameter From Head | 1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 4.940 INCHES NOMINAL IN |
| Nominal Thread Diameter | 1.375 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 6.590 INCHES NOMINAL IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 1.499 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Point Style | FLAT |
| Width Between Flats | 1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.060 INCHES NOMINAL IN |
| Locking Feature | PELLET THREADS |
| Externally Relieved Body Diameter Quantity | 3 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 6 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Third Diameter From Head | 1.375 INCHES NOMINAL IN |
| 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 |
|---|---|
| 167-6404600 FIND 133 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5306-01-455-3780 is a Bolt,externally Relieved Body, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-455-3780 has 1 manufacturer part number on file: 167-6404600 FIND 133 (Naval Sea Systems Command).
Key specifications for 167-6404600 FIND 133: Extended Washer Thickness: 0.250 INCHES NOMINAL IN; Point Diameter: 1.134 INCHES MINIMUM AND 1.144 INCHES MAXIMUM IN; Head Height: 1.320 INCHES NOMINAL IN; Fastener Length: 6.590 INCHES NOMINAL IN. 25 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.