The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-008-8987, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. 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 | 5306-00-008-8987 |
| Primary Part Number | 571409-1 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Fourth Diameter From Head | 0.315 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Extended Washer Thickness | 0.065 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Fifth Diameter | 7.120 INCHES MINIMUM AND 7.200 INCHES MAXIMUM IN |
| Head Height | 0.395 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN |
| Fastener Length | 8.420 INCHES MINIMUM AND 8.460 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.820 INCHES MINIMUM AND 0.840 INCHES MAXIMUM IN |
| Thread Length | 1.260 INCHES MINIMUM AND 1.300 INCHES MAXIMUM IN |
| First Diameter From Head | 0.3736 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 3.800 INCHES MINIMUM AND 3.840 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 4.180 INCHES MINIMUM AND 4.260 INCHES MAXIMUM IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.315 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.400 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Fifth Diameter From Head | 0.3736 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 4 |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Distance From Largest Bearing Surface of Head to End of Fourth Diameter | 6.740 INCHES MINIMUM AND 6.780 INCHES MAXIMUM IN |
| Third Diameter From Head | 0.3736 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| 571409-1 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 5306-00-008-8987 is a Bolt,externally Relieved Body, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-008-8987 has 1 manufacturer part number on file: 571409-1 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 571409-1: Fourth Diameter From Head: 0.315 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN; Extended Washer Thickness: 0.065 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN; Distance From Largest Bearing Surface of Head to End of Fifth Diameter: 7.120 INCHES MINIMUM AND 7.200 INCHES MAXIMUM IN; Head Height: 0.395 INCHES MINIMUM AND 0.415 INCHES MAXIMUM 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.