Model: 4N21138-101A

Machine Bolt

Special Features:

Conical area 0.442 in. To 0.510 in dia. With a 99.0 degree min to 101.0 degree max countersunk angle machined in shank

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.390 inches

Fastener Length

0.980 inches

Head Style

Hexagon

Head Height

0.090 inches

Width Between Flats

Between 0.365 inches and 0.377 inches

Thread Diameter

0.250 inches

Features Provided

Finished head

Thready Qty Per Inch (tpi)

Material

Steel comp 630

Material Specification

Ams 5643 assn standard single material response

Thread Series Designator

Unf

NSN

5306-00-678-8671

Part Number

4N21138-101A

Description

Bolt,machine

CAGE

98897

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 4N21138-101A NSN 5306-00-678-8671

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

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