The Bolt,shoulder, cataloged under National Stock Number 5306-01-236-1013, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Goodrich Corporation. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-01-236-1013 |
| Primary Part Number | 20-571 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Head Height | 0.080 INCHES NOMINAL IN |
| Shoulder Length | 1.300 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.250 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.660 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.750 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 |
| Part Number | Manufacturer |
|---|---|
| 20-571 | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 20-571 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-236-1013 is a Bolt,shoulder, manufactured by Goodrich Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-236-1013 has 1 manufacturer part number on file: 20-571 (Goodrich Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-430-8176. Verify interchangeability with system specifications before substitution.
Key specifications for 20-571: Head Height: 0.080 INCHES NOMINAL IN; Shoulder Length: 1.300 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.250 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Shape: ROUND FIRST SHOULDER. 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.