Model: STM342A7-31

Pin-rivet

Properties:

Thread Class

Thread Direction

Right-hand

Fastener Length

Between 2.381 inches and 2.406 inches

Head Style

Flush countersunk

Shank Diameter

0.5091 inches

Shank Style

Pin-rivet, tapered, threaded

Head Major Diameter

Between 0.676 inches and 0.748 inches

Tip Diameter

0.4728 inches

Lubrication

Cetyl alcohol

Grip Length

Between 1.927 inches and 1.942 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

180000 pounds per square inch

Thread Size

0.438 inches

Shear Strength

108000 single pounds per square inch

Countersink Angle

Between 99.0 degrees and 101.0 degrees

Material

Steel comp 8740 or steel comp e4340

Material Specification

Mil-s-6049 military specification 1st material response or mil-s-5000 military specification 2nd material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

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

Thread Series Designator

Unjf

NSN

5320-01-092-2130

Part Number

STM342A7-31

Description

Pin-rivet

CAGE

76301

A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. a locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. the shank may include an external wrenching facility which breaks off at a predetermined applied torque.

Part STM342A7-31 NSN 5320-01-092-2130

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

67165

FIIG:

A528U0

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:

106510

UFC:

54760

LTL:

50.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318230000
SITC: 69422
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Rivets of iron or steel