Model: 121-216

Hexagon Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

1.000 inches

Fastener Length

Between 1.188 inches and 1.250 inches

Head Style

Undercut hexagon

Head Height

Between 0.250 inches and 0.260 inches

Width Between Flats

Between 0.551 inches and 0.562 inches

Locking Feature

Distortions bearing surface of head

Thread Diameter

0.375 inches

Features Provided

Finished head

Thready Qty Per Inch (tpi)

Hardness Rating

32.0 rockwell c and 38.0 rockwell c

Material

Steel

Material Specification

Sae gr 8 assn standard single material response

Thread Series Designator

Unf

NSN

5305-00-292-4595

Part Number

121-216

Description

Screw,cap,hexagon Head

CAGE

10988

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 121-216 NSN 5305-00-292-4595

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