Model: 21415

Machine Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.500 inches and 0.550 inches

Fastener Length

Between 1.875 inches and 1.885 inches

Head Style

Fillister

Head Diameter

Between 0.308 inches and 0.318 inches

Head Height

Between 0.113 inches and 0.123 inches

Internal Drive Style

Slot

End Application

W/s: helicopter, seahawk, h-60; helicopter, cobra/tow, ah series; helicopter, super jolly h-53; helicopter, iroquois uh-1; helicopter, search and rescue, hh-60h; helicopter, carrier based asw, sh-60f; helicopter, hh-53h pave low; helicopter, uscg search and rescue, hh-60j; helicopter, uh-60a/uh-60d; helicopter, sea king h-3

Thread Diameter

0.190 inches

Thready Qty Per Inch (tpi)

Screw Material

Steel

Screw Surface Treatment

Cadmium and chromate

Thread Series Designator

Unf

NSN

5305-00-054-4881

Part Number

21415

Description

Screw,machine

CAGE

81579

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

Part 21415 NSN 5305-00-054-4881

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06657

FIIG:

A500D0

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:

713

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