The Bolt,shoulder, cataloged under National Stock Number 5306-00-515-0686, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-515-0686 |
| Primary Part Number | 9135M21P03 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Extended Washer Thickness | 0.070 INCHES MINIMUM IN |
| Head Height | 0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN |
| Fastener Length | 0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN |
| Shoulder Length | 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM FIRST SHOULDER IN |
| Extended Washer Diameter | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.3276 INCHES MINIMUM AND 0.3278 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.650 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | C50TF13 CL B FSCM 07482 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.375 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | NICKEL ALLOY 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 | X |
| Part Number | Manufacturer |
|---|---|
| 9135M21P03 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| 9135M21P03 PRIMARY | General Electric Company (USA) |
| 9135M21P03 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| 9135M21P03 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-515-0686 is a Bolt,shoulder, manufactured by General Electric Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-515-0686 has 3 manufacturer part numbers on file: 9135M21P03 (M.s. Aerospace Inc. Dba Ms Aerospace Inc), 9135M21P03 (General Electric Company), 9135M21P03 (Valley-Todeco, Inc. Dba Arconic Fastening Systems).
Key specifications for 9135M21P03: Extended Washer Thickness: 0.070 INCHES MINIMUM IN; Head Height: 0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN; Fastener Length: 0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN; Shoulder Length: 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM FIRST SHOULDER 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.