Model: C4437-7-21

Pin-rivet

Properties:

Thread Class

Thread Direction

Right-hand

Fastener Length

Between 1.756 inches and 1.781 inches

Head Height

Between 0.120 inches and 0.132 inches

Shank Diameter

0.4957 inches

Shank Style

Pin-rivet, tapered, threaded

Head Major Diameter

Between 0.714 inches and 0.730 inches

Tip Diameter

0.4705 inches

Lubrication

Cetyl alcohol

End Application

F111a

Grip Length

Between 1.302 inches and 1.317 inches

Thready Qty Per Inch (tpi)

Hardness Rating

51.0 rockwell c and 54.0 rockwell c

Thread Size

0.4375 inches

Material

Steel comp h11

Material Specification

Ams6487 assn standard single material response

Surface Treatment

Cadmium and nickel

Surface Treatment Specification

Ams2416 assn standard single treatment response

Thread Series Designator

Unjf

NSN

5320-01-406-5856

Part Number

C4437-7-21

Description

Pin-rivet

CAGE

81755

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 C4437-7-21 NSN 5320-01-406-5856

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:

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