Model: 145-4510931-53

Hexagon Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

1.250 inches

Fastener Length

1.250 inches

Head Style

Hexagon

Head Height

Between 0.302 inches and 0.323 inches

Width Between Flats

Between 0.736 inches and 0.750 inches

Thread Diameter

0.500 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

80000 pounds per square inch

Material

Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316

Material Specification

66 federal standard all material responses

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Thread Series Designator

Unc

NSN

5305-00-021-3801

Part Number

145-4510931-53

Description

Screw,cap,hexagon Head

CAGE

51563

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 145-4510931-53 NSN 5305-00-021-3801

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:

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

End Items End applications NSN 5305-00-021-3801 is a component of

Tomahawk Missile
B-1 Aircraft Support Equipment
An/trq-32 Teammate
Stream (std. Tensioned Replenishment At Sea Method)
Lamps Mk Iii Helicopter Landing System
F100-pw-100 (f-15a/b/c/d) Aircraft Engine
F100-pw-200 (f-16a/b/c/d) Aircraft Engine
Deep Submergence Systems Programs (dssp)
Aircraft F110-ge-400 Engine
011560456
Radio Set
011560572
Ex Quick Erect Mast
011570996
Air Conditioner
010100787
Trailer Mounted Bakery Plant
011312685
Water Chiller
001157753
Rotary Vacuum Pump Unit
002510712
Diffraction Grating Spectrometer
010752001
Radio Set
011820578
Guided Missile System Shop Equipment
011273486
Radio Set
013290745
Electronic Components Assembly
013372773
Gun Mount
013874541
Aircraft Engine Maintenance Stand
014224682
Trailer Mounted Communications Antenna
011463260
Kg-84a
009534890
Warehouse Wheeled Tractor

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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