21055A

Eccentric Head Bolt

NSN 5306-00-362-3707

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

50 EA

NIIN:

003623707

Detail Specifications

Thread Class:

Thread Direction:

Right-hand

Fastener Length:

2.375 inches

Head Style:

Double hexagon

Head Diameter:

Between 0.685 inches and 0.688 inches

Head Height:

0.250 inches

Distance From Center Of Head To Center Of Shank:

0.312 inches

Shank Unthreaded Hole Diameter:

0.109 inches first hole

Internal Drive Style:

W/o internal drive

Thread Diameter:

0.437 inches

Thready Qty Per Inch (tpi):

Min. Tensile Strength (psi):

135000 pounds per square inch

Hardness Rating:

28.0 rockwell c and 31.0 rockwell c

Distance From Head Largest Bearing Surface To Shank Hole Center:

2.266 inches first hole

Material:

Steel comp 3140

Material Specification:

Sae assn standard single material response

Thread Series Designator:

Unf

NSN:

5306-00-362-3707

Item Name:

Screw,eccentric Head

Cage Code:

28265

Manufacturer Part Numbers

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

1581743

Cage Code:

7X677

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

21055A

Cage Code:

1ML14

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

21055

Cage Code:

1ML14

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

1581743

Cage Code:

70040

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

121B

Cage Code:

99267

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

21055

Cage Code:

28265

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

21055

Cage Code:

12156

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

1581743

Cage Code:

24617

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

7720E

Cage Code:

73160

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

21861

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Eccentric Head Screw"

An externally threaded fastener the head of which is usually flat with a periphery not concentric to the bolt shank. The head is not designed for wrenching. It may have a drive feature located at the threaded end, which can be used to rotate the screw and eccentric head into a locking position to secure a flanged or groove component.