Model: 1074251

Internal Wrenching Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.219 inches

Fastener Length

4.250 inches

Head Style

Flat chamfer

Head Diameter

Between 0.365 inches and 0.375 inches

Head Height

Between 0.244 inches and 0.250 inches

First Diameter From Head

0.375 inches

Second Diameter From Head

Between 0.177 inches and 0.182 inches

Third Diameter From Head

0.250 inches

Fourth Diameter From Head

Between 0.177 inches and 0.182 inches

Distance From Largest Bearing Surface Of Head To End Of First Diameter

0.219 inches

Distance From Largest Bearing Surface Of Head To End Of Second Diameter

1.281 inches

Distance From Largest Bearing Surface Of Head To End Of Third Diameter

1.406 inches

Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter

4.281 inches

Internal Drive Style

Hexagon

Thread Diameter

0.250 inches

Width Across Flats

0.188 inches

Thready Qty Per Inch (tpi)

Part Name Assigned By Controlling Agency

Navy special project

Material

Stainless steel

Surface Treatment

Passivate

Surface Treatment Specification

Mil-std-171 military standard single treatment response

Thread Series Designator

Uns

NSN

5306-00-590-5986

Part Number

1074251

Description

Bolt,internal Wrenching

CAGE

10001

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 1074251 NSN 5306-00-590-5986

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318152000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment