The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-105-6653, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Deere & Co. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-105-6653 |
| Primary Part Number | R74194 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Deere & Co |
| Status | ACTIVE |
| Extended Washer Thickness | 0.080 INCHES NOMINAL IN |
| Head Height | 0.390 INCHES NOMINAL IN |
| Fastener Length | 2.130 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.730 INCHES NOMINAL IN |
| Thread Length | 1.100 INCHES NOMINAL IN |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| First Diameter From Head | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 1.030 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 8637 OR STEEL COMP 8640 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 |
|---|---|
| R74194 PRIMARY | Deere & Co (USA) |
| Reference | Meaning |
|---|---|
| T20009 | 3/9 Design control — primary reference Deere & Co |
NSN 5306-01-105-6653 is a Bolt,externally Relieved Body, manufactured by Deere & Co, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-105-6653 has 1 manufacturer part number on file: R74194 (Deere & Co).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-435-8580. Verify interchangeability with system specifications before substitution.
Key specifications for R74194: Extended Washer Thickness: 0.080 INCHES NOMINAL IN; Head Height: 0.390 INCHES NOMINAL IN; Fastener Length: 2.130 INCHES NOMINAL IN; Extended Washer Diameter: 0.730 INCHES NOMINAL IN. 18 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.