The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-776-7530, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Renk America Llc Div Renk America. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-776-7530 |
| Primary Part Number | 502680 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Renk America Llc Div Renk America |
| Status | ACTIVE |
| Extended Washer Thickness | 0.250 INCHES NOMINAL IN |
| Head Height | 0.620 INCHES NOMINAL IN |
| Fastener Length | 1.780 INCHES MINIMUM AND 1.810 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.840 INCHES NOMINAL IN |
| Thread Length | 1.090 INCHES MINIMUM AND 1.120 INCHES MAXIMUM IN |
| First Diameter From Head | 0.562 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.690 INCHES NOMINAL IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.440 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN |
| Width Between Flats | 0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.190 INCHES NOMINAL IN |
| Nonstandard Thread Pitch Diameter | +0.5234 TO 0.5264 INCHES IN |
| Externally Relieved Body Diameter Quantity | 3 |
| Material | STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 7767530 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 502680 PRIMARY | Renk America Llc Div Renk America (USA) |
| 2300094-010410.05.0 | Baainbw Benutzungsrechte an Technischen Unterlagen (DEU) |
| 2300094-010410.05.0 | Knds Deutschland Gmbh & Co. Kg - Werk Kassel - (DEU) |
NSN 5306-00-776-7530 is a Bolt,externally Relieved Body, manufactured by Renk America Llc Div Renk America, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-776-7530 has 4 manufacturer part numbers on file: 7767530 (U S Army Tank Automotive Command Amsta-Im-Mm), 502680 (Renk America Llc Div Renk America), 2300094-010410.05.0 (Baainbw Benutzungsrechte an Technischen Unterlagen), 2300094-010410.05.0 (Knds Deutschland Gmbh & Co. Kg - Werk Kassel -).
Key specifications for 502680: Extended Washer Thickness: 0.250 INCHES NOMINAL IN; Head Height: 0.620 INCHES NOMINAL IN; Fastener Length: 1.780 INCHES MINIMUM AND 1.810 INCHES MAXIMUM IN; Extended Washer Diameter: 0.840 INCHES NOMINAL IN. 16 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.