Model: 9L9178

Hexagon Head Cap Screw

Properties:

Thread Class

Thread Length

Between 0.671 inches and 0.813 inches

Fastener Length

Between 0.782 inches and 0.813 inches

Head Height

Between 0.265 inches and 0.281 inches

Width Between Flats

Between 0.367 inches and 0.375 inches

Extended Washer Diameter

Between 0.574 inches and 0.600 inches

Locking Feature

Locking teeth bearing surface of head

Thread Diameter

0.312 inches

Features Provided

Casehardened and finished head

Thready Qty Per Inch (tpi)

Material

Steel

Material Specification

Sae gr 2 assn standard single material response

Thread Series Designator

Unc

NSN

5305-00-165-1907

Part Number

9L9178

Description

Screw,cap,hexagon Head

CAGE

11083

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

Part 9L9178 NSN 5305-00-165-1907

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

18257

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:

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