The Bolt,shoulder, cataloged under National Stock Number 5306-00-033-2371, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5306-00-033-2371 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.141 INCHES NOMINAL IN |
| Fastener Length | 1.327 INCHES NOMINAL IN |
| Shoulder Length | 0.202 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Length | 0.463 INCHES NOMINAL SECOND SHOULDER IN |
| Shoulder Diameter | 0.250 INCHES NOMINAL SECOND SHOULDER IN |
| Shoulder Diameter | 0.375 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.313 INCHES NOMINAL IN |
| Shoulder Shape | ROUND SECOND SHOULDER |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.093 INCHES NOMINAL ALL HOLES IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 1212 OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 0.109 INCHES NOMINAL ALL HOLES IN |
| Head Diameter | 0.625 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 |
|---|---|
| 10-3040 | 5/9 Secondary reference Unison Industries Llc |
| 10-3040 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
| 10-3040 | 3/9 Design control — primary reference Continental Aerospace Technologies, Inc. |
NSN 5306-00-033-2371 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 6625-00-958-5049, 5962-01-064-1300, 5315-01-715-1134. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-00-033-2371: Head Height: 0.141 INCHES NOMINAL IN; Fastener Length: 1.327 INCHES NOMINAL IN; Shoulder Length: 0.202 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Length: 0.463 INCHES NOMINAL SECOND SHOULDER IN. 20 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.