Model: 37798

Internally Relieved Body Bolt

Special Features:

Hex hole 0.064 in. W across flats

Properties:

Thread Class

Thread Direction

Right-hand

Fastener Length

0.500 inches

Head Style

Flat chamfer

Head Diameter

0.187 inches

Thread Diameter

0.125 inches

Thready Qty Per Inch (tpi)

Hardness Rating

30.0 rockwell c and 35.0 rockwell c

Material

Steel comp 4130

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification single treatment response

Style Designator

Concentric hole unthreaded

Thread Series Designator

Unc

NSN

5306-00-852-7639

Part Number

37798

Description

Bolt,internally Relieved Body

CAGE

D9182

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 37798 NSN 5306-00-852-7639

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:

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