The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-315-3784, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is M.s. Aerospace Inc. Dba Ms Aerospace Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-315-3784 |
| Primary Part Number | ST2235-028 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | M.s. Aerospace Inc. Dba Ms Aerospace Inc |
| Status | ACTIVE |
| Extended Washer Thickness | 0.070 INCHES MINIMUM IN |
| Head Height | 0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN |
| Fastener Length | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Thread Length | 0.757 INCHES MINIMUM IN |
| Material Document and Classification | AMS 7461 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.375 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.108 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| ST2235-028 PRIMARY | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| ST2235-028 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| ST2235-028 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 5306PL1499153 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5306-01-315-3784 is a Bolt,externally Relieved Body, manufactured by M.s. Aerospace Inc. Dba Ms Aerospace Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-315-3784 has 3 manufacturer part numbers on file: ST2235-028 (M.s. Aerospace Inc. Dba Ms Aerospace Inc), ST2235-028 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), ST2235-028 (Rtx Corporation Div Pratt & Whitney).
Key specifications for ST2235-028: Extended Washer Thickness: 0.070 INCHES MINIMUM IN; Head Height: 0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN; Fastener Length: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN; Extended Washer Diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN. 17 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.