The Bolt,shoulder, cataloged under National Stock Number 5306-00-934-9599, 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 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-934-9599 |
| Primary Part Number | 2572775 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 1.160 INCHES NOMINAL IN |
| Shoulder Length | 0.790 INCHES MINIMUM AND 0.800 INCHES MAXIMUM FIRST SHOULDER IN |
| Distance From Centerline to Flat | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DEE CHAMFER |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| 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 |
|---|---|
| 2572775 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 2572775 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 2572775 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 2572775 | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| 2572775 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
NSN 5306-00-934-9599 is a Bolt,shoulder, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-934-9599 has 1 manufacturer part number on file: 2572775 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 2572775: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 1.160 INCHES NOMINAL IN; Shoulder Length: 0.790 INCHES MINIMUM AND 0.800 INCHES MAXIMUM FIRST SHOULDER IN; Distance From Centerline to Flat: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. 13 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.