The Bolt,shoulder, cataloged under National Stock Number 5306-01-009-8985, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-009-8985 |
| Primary Part Number | 2057J139 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| Head Height | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Fastener Length | 1.420 INCHES NOMINAL IN |
| Shoulder Length | 0.730 INCHES NOMINAL FIRST SHOULDER IN |
| Distance From Centerline to Flat | 0.247 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.4102 INCHES MINIMUM AND 0.4106 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.690 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Criticality Code Justification | AATN |
| Material Document and Classification | AMS 5628 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DEE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 431 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.655 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 2057J139 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
NSN 5306-01-009-8985 is a Bolt,shoulder, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-009-8985 has 1 manufacturer part number on file: 2057J139 (Curtiss-Wright Controls, Inc. Div Actuation Division).
Key specifications for 2057J139: Head Height: 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Fastener Length: 1.420 INCHES NOMINAL IN; Shoulder Length: 0.730 INCHES NOMINAL FIRST SHOULDER IN; Distance From Centerline to Flat: 0.247 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN. 18 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.