The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-459-4544, 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 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-459-4544 |
| Primary Part Number | 611967 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Fourth Diameter From Head | 0.270 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN |
| Head Height | 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Fastener Length | 0.910 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN |
| Distance From Centerline to Flat | 0.118 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN |
| Thread Length | 0.488 INCHES MINIMUM AND 0.548 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5708 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.197 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 0.218 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN |
| Head Style | DEE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.270 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.010 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 4 |
| Thread Class | 1A A |
| Thread Quantity Per Inch | 28 |
| Material | NICKEL ALLOY OVERALL |
| Distance From Largest Bearing Surface of Head to End of Fourth Diameter | 0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Third Diameter From Head | 0.175 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN |
| Thread Series Designator | UNF |
| Head Diameter | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5306-00-459-4544 is a Bolt,externally Relieved Body, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-459-4544 has 2 manufacturer part numbers on file: 611967 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 611967 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 611967: Fourth Diameter From Head: 0.270 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN; Head Height: 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Fastener Length: 0.910 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN; Distance From Centerline to Flat: 0.118 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN. 22 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.