Model: ST3M491C4-16-4

Pin-rivet

Properties:

Thread Class

Thread Direction

Right-hand

Fastener Length

Between 1.385 inches and 1.405 inches

Head Height

Between 0.059 inches and 0.061 inches

Width Between Flats

Between 0.0947 inches and 0.0967 inches

Shank Diameter

Between 0.2490 inches and 0.2495 inches

Shank Style

Pin-rivet, straight, threaded

Head Major Diameter

0.3948 inches

Lubrication

Cetyl alcohol, specification 305, hi-shear corp

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Grip Length

1.005 inches

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Shear Strength

95000 single pounds per square inch

Countersink Angle

100.0 degrees

Material

Iron alloy 660

Material Specification

Ams 5737 assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

258, fscm 73197 mfr ref single treatment response

Thread Series Designator

Unjf

NSN

5320-01-190-4107

Part Number

ST3M491C4-16-4

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 ST3M491C4-16-4 NSN 5320-01-190-4107

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:

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:

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