The Bolt,shoulder, cataloged under National Stock Number 5306-01-138-7911, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Morton Grinding, Inc Dba Morton Manufacturing. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-138-7911 |
| Primary Part Number | 4057T67P01 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Morton Grinding, Inc Dba Morton Manufacturing |
| Status | ACTIVE |
| Extended Washer Thickness | 0.060 INCHES NOMINAL IN |
| Head Height | 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Fastener Length | 3.090 INCHES MINIMUM AND 3.110 INCHES MAXIMUM IN |
| Shoulder Length | 2.620 INCHES MINIMUM AND 2.630 INCHES MAXIMUM FIRST SHOULDER IN |
| Extended Washer Diameter | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.249 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.370 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | AMS 7471 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.312 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL 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 |
|---|---|
| 4057T67P01 | Morton Grinding, Inc Dba Morton Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 4057T67P01 | 3/2 Design control — primary reference U.S. Government activity |
| 10115970 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5306-01-138-7911 is a Bolt,shoulder, manufactured by Morton Grinding, Inc Dba Morton Manufacturing, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-138-7911 has 1 manufacturer part number on file: 4057T67P01 (Morton Grinding, Inc Dba Morton Manufacturing).
Key specifications for 4057T67P01: Extended Washer Thickness: 0.060 INCHES NOMINAL IN; Head Height: 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN; Fastener Length: 3.090 INCHES MINIMUM AND 3.110 INCHES MAXIMUM IN; Shoulder Length: 2.620 INCHES MINIMUM AND 2.630 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.