Model: 3943132-1

Machine Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.484 inches and 0.604 inches

Fastener Length

3.219 inches

Head Style

Hexagon

Head Height

Between 0.219 inches and 0.234 inches

Width Between Flats

Between 0.679 inches and 0.690 inches

Shank Unthreaded Hole Diameter

0.106 inches first hole and 0.116 inches first hole

Thread Diameter

0.438 inches

Grip Length

Between 2.615 inches and 2.635 inches

Features Provided

Finished head

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

220000 pounds per square inch

Distance From Head Largest Bearing Surface To Shank Hole Center

3.008 inches first hole and 3.028 inches first hole

Surface Finish

32.0 microinches grip

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel

Material Specification

Dms1841, fscm 88277 mfr ref single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Dps9.28, fscm 88277 mfr ref single treatment response

Thread Series Designator

Unf

NSN

5306-01-080-9147

Part Number

3943132-1

Description

Bolt,machine

CAGE

88277

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

Part 3943132-1 NSN 5306-01-080-9147

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01847

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