The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-506-9988, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Elbit Systems Ltd Div Aerospace. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-506-9988 |
| Primary Part Number | 33171A-01 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Elbit Systems Ltd Div Aerospace |
| Status | ACTIVE |
| Fastener Length | 25.3 MILLIMETERS MINIMUM AND 25.5 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 10.0 MILLIMETERS NOMINAL MM |
| First Diameter From Head | 7.8 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 15.5 MILLIMETERS MINIMUM AND 15.7 MILLIMETERS MAXIMUM MM |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5306-01-506-9988 is a Bolt,externally Relieved Body, manufactured by Elbit Systems Ltd Div Aerospace, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-506-9988 has 2 manufacturer part numbers on file: 33171A-01 (Elbitamerica, Inc.), 33171A-01 (Elbit Systems Ltd Div Aerospace).
Key specifications for 33171A-01: Fastener Length: 25.3 MILLIMETERS MINIMUM AND 25.5 MILLIMETERS MAXIMUM MM; Surface Treatment Document and Classification: QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 10.0 MILLIMETERS NOMINAL MM; First Diameter From Head: 7.8 MILLIMETERS NOMINAL MM. 14 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.