The Bolt,shoulder, cataloged under National Stock Number 5306-01-213-6973, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Valley-Todeco, Inc. Dba Arconic Fastening Systems. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-213-6973 |
| Primary Part Number | 9131M73P02 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Head Height | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Fastener Length | 1.550 INCHES MINIMUM AND 1.570 INCHES MAXIMUM IN |
| Shoulder Length | 1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.417 INCHES MINIMUM AND 0.467 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.094 INCHES MINIMUM AND 0.101 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 7461 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.330 INCHES MINIMUM AND 1.340 INCHES MAXIMUM FIRST HOLE 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 |
|---|---|
| 9131M73P02 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| 9131M73P02 | 3/2 Design control — primary reference U.S. Government activity |
| 9131M73P02 | 7/2 Vendor item drawing reference General Electric Company |
NSN 5306-01-213-6973 is a Bolt,shoulder, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-213-6973 has 1 manufacturer part number on file: 9131M73P02 (Valley-Todeco, Inc. Dba Arconic Fastening Systems).
Key specifications for 9131M73P02: Head Height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Fastener Length: 1.550 INCHES MINIMUM AND 1.570 INCHES MAXIMUM IN; Shoulder Length: 1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM FIRST SHOULDER 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.