The Bolt,shoulder, cataloged under National Stock Number 5306-00-015-8260, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-015-8260 |
| Primary Part Number | 3P61538-101 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace |
| Status | ACTIVE |
| Head Height | 0.237 INCHES NOMINAL IN |
| Fastener Length | 1.820 INCHES NOMINAL IN |
| Shoulder Length | 1.390 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.4992 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.375 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.107 INCHES NOMINAL FIRST HOLE IN |
| Hole Configuration Style | HEXAGON FLATS |
| Material Document and Classification | AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.746 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Yield Strength | 156000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP H11 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 0.167 INCHES NOMINAL FIRST HOLE IN |
| Hole Type | DRILLED |
| Hole Diameter | 0.062 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 |
|---|---|
| 3P61538-101 | Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA) |
| 3P61538-101 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3P61538-101 | A and M Aerospace, Inc. (USA) |
| 3P61538-101 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3P61538-101 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| 3P61538-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-015-8260 is a Bolt,shoulder, manufactured by Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-015-8260 has 5 manufacturer part numbers on file: 3P61538-101 (Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace), 3P61538-101 (Sps Technologies, Llc Dba PB Fasteners), 3P61538-101 (A and M Aerospace, Inc.), 3P61538-101 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 3P61538-101 (M.s. Aerospace Inc. Dba Ms Aerospace Inc).
Key specifications for 3P61538-101: Head Height: 0.237 INCHES NOMINAL IN; Fastener Length: 1.820 INCHES NOMINAL IN; Shoulder Length: 1.390 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.4992 INCHES NOMINAL FIRST SHOULDER IN. 23 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.