The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-320-0609, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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 | 5306-01-320-0609 |
| Primary Part Number | 4071327 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Height | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Fastener Length | 1.200 INCHES MINIMUM AND 1.220 INCHES MAXIMUM IN |
| Thread Length | 0.361 INCHES NOMINAL IN |
| First Diameter From Head | 0.310 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.849 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | TEE NO. 6 |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN |
| Head Length | 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN |
| Width Between Flats | 0.435 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.782 INCHES MINIMUM AND 0.792 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Chamfer Angle | 44.0 DEGREES MINIMUM AND 46.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | NICKEL ALLOY OVERALL |
| 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 |
|---|---|
| 4071327 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5306-01-320-0609 is a Bolt,externally Relieved Body, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-320-0609 has 1 manufacturer part number on file: 4071327 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4071327: Head Height: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Fastener Length: 1.200 INCHES MINIMUM AND 1.220 INCHES MAXIMUM IN; Thread Length: 0.361 INCHES NOMINAL IN; First Diameter From Head: 0.310 INCHES NOMINAL 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.