Model: 03A510-4-12C

Internal Wrenching Bolt

Special Features:

Grip length min 0.740 to max 0.760; grip diameter 0.248 to max 0.249

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.498 inches

Fastener Length

1.248 inches

Head Style

Flat countersunk

Head Diameter

0.449 inches

Internal Drive Style

Torx

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

6980 pounds per square inch

Countersink Angle

Between 99.0 degrees and 101.0 degrees

Material

Cobalt comp mp-35-n

Material Specification

Ams5844 assn standard 1st material response

Surface Treatment

Passivate and lubricant

Surface Treatment Specification

Mil-l-46010, type1 military specification 1st treatment response

Thread Series Designator

Unjf

NSN

5306-01-478-1353

Part Number

03A510-4-12C

Description

Bolt,internal Wrenching

CAGE

1W025

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

Part 03A510-4-12C NSN 5306-01-478-1353

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06666

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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Schedule B and Export

Schedule B: 8105900000
SITC: 69981
End Use: Finished metal shapes
NAICS: 331491
USDA: 1

Freight Class: Cobalt, wrought, and articles thereof