The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-217-8517, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5306-01-217-8517 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Fastener Length | 4.250 INCHES NOMINAL IN |
| Thread Length | 0.880 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | ASTM A-564 COMP 630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 8 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | C |
| Reference | Meaning |
|---|---|
| 1D46117-1 | 3/1 Design control — primary reference U.S. Government activity |
| 1D46117 | 5/1 Secondary reference U.S. Government activity |
NSN 5306-01-217-8517 is a Bolt,externally Relieved Body, classified under FSC 5306, Bolts. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5310-01-217-8546, 5365-01-217-8597, 5310-01-217-8711. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-01-217-8517: Fastener Length: 4.250 INCHES NOMINAL IN; Thread Length: 0.880 INCHES NOMINAL IN; Criticality Code Justification: ZZZY; Material Document and Classification: ASTM A-564 COMP 630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 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.