Model: 1304127-121

Externally Relieved Body Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 1.225 inches and 1.255 inches

Fastener Length

4.125 inches

Head Style

Hexagon extended washer

Head Height

1.325 inches

Width Between Flats

Between 1.052 inches and 1.064 inches

Width Between Flats

Between 1.052 inches and 1.064 inches 1.064 inches

Extended Washer Diameter

0.650 inches

Extended Washer Thickness

2.070 inches

First Diameter From Head

Between 1.123 inches and 1.124 inches

Second Diameter From Head

Between 0.998 inches and 0.999 inches

Third Diameter From Head

Between 0.872 inches and 0.882 inches

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

2.063 inches

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

2.620 inches

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

Between 2.870 inches and 2.900 inches

Thread Diameter

1.000 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

180000 pounds per square inch

Externally Relieved Body Diameter Quantity

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp e4340

Material Specification

Mil-s-5000 military specification single material response

Surface Treatment

Cadmium and chromate

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Lc+77-1061 type 2, cage 36659 mfr ref single treatment response

Thread Series Designator

Unjf

NSN

5306-00-503-5275

Part Number

1304127-121

Description

Bolt,externally Relieved Body

CAGE

98897

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

Part 1304127-121 NSN 5306-00-503-5275

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06675

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