The Bolt,shoulder, cataloged under National Stock Number 5306-00-223-9935, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-223-9935 |
| Primary Part Number | 1707-344 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Head Height | 0.125 INCHES NOMINAL IN |
| Fastener Length | 1.625 INCHES NOMINAL IN |
| Shoulder Length | 1.250 INCHES NOMINAL FIRST SHOULDER IN |
| Distance From Centerline to Flat | 0.380 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.505 INCHES MINIMUM AND 0.509 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.300 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.105 INCHES MINIMUM AND 0.108 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | DEE |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OR CHROMIUM OR PAINT OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.530 INCHES NOMINAL FIRST HOLE IN |
| Head Diameter | 0.812 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 |
|---|---|
| 1707-344 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 1707-344 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5306-00-223-9935 is a Bolt,shoulder, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-223-9935 has 1 manufacturer part number on file: 1707-344 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 1707-344: Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 1.625 INCHES NOMINAL IN; Shoulder Length: 1.250 INCHES NOMINAL FIRST SHOULDER IN; Distance From Centerline to Flat: 0.380 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN. 19 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.