Model: 521937

Internally Relieved Body Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.377 inches

Fastener Length

0.470 inches

Head Style

Round w/wrench flats

Head Diameter

0.880 inches

Head Height

0.090 inches

Width Between Flats

Between 0.684 inches and 0.688 inches

Counterbore Diameter

0.250 inches

Concentric Hole Diameter

0.156 inches

Thread Diameter

0.375 inches

Thready Qty Per Inch (tpi)

Hardness Rating

32.0 rockwell c and 38.0 rockwell c

Material

Steel

Material Specification

Ams 5080 assn standard single material response

Style Designator

Counterbore unthreaded

Thread Series Designator

Unf

NSN

5306-00-638-7165

Part Number

521937

Description

Bolt,internally Relieved Body

CAGE

03104

An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.

Part 521937 NSN 5306-00-638-7165

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06676

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:

0.1000lbs

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:

574

TCC:

SHC:

ACC:

Construction Materials

Pricing & Availability Check

Submit this form for stock availability and pricing.

How to Order

Ordering from buyaircraftparts.com

If you would like to order this internally relieved body bolt (NSN 5306-00-638-7165) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours:	08:00-18:00 Eastern Standard Time
Phone:	+1 470-231-0824
Email:	Contact Form »

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