The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-207-4980, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-207-4980 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 1.980 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 491-98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.400 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 1.560 INCHES MINIMUM AND 1.590 INCHES MAXIMUM IN |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.749 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Width Between Flats | 1.000 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP E4340 OVERALL |
| Third Diameter From Head | 0.422 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN |
| Thread Series Designator | UNF |
| Head Diameter | 1.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 348161 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-207-4980 is a Bolt,externally Relieved Body, classified under FSC 5306, Bolts. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5342-00-611-4180, 1680-01-137-2768, 2040-01-513-9593. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-00-207-4980: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 1.980 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN; Surface Treatment Document and Classification: 491-98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.400 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN. 21 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.