Model: 5544137-1

Hexagon Head Cap Screw

Special Features:

Color olive drab

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.369 inches and 0.500 inches

Fastener Length

Between 0.469 inches and 0.500 inches

Head Style

Hexagon

Head Height

Between 0.150 inches and 0.163 inches

Width Between Flats

Between 0.428 inches and 0.437 inches

Hole Diameter

Between 0.060 inches and 0.068 inches

Thread Diameter

0.250 inches

Hole Quantity

Hole Type

Drilled

Thready Qty Per Inch (tpi)

Hole Configuration Style

Hexagon flats

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel

Material Specification

Sae gr 8 assn standard single material response

Surface Treatment

Ceramic

Surface Treatment Specification

Mil-c-81751 type 1, class 4 military specification single treatment response

Thread Series Designator

Unc

NSN

5305-01-253-5916

Part Number

5544137-1

Description

Screw,cap,hexagon Head

CAGE

53711

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

Part 5544137-1 NSN 5305-01-253-5916

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

18257

FIIG:

A003B0

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:

096640

UFC:

50600

LTL:

70.0

LCL:

WCC:

573

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