Hexagon Head Cap Screw

BB1617

(NSN) National Stock Number

5305-00-017-9837

Federal Supply Classification

5305 Screws

Item Name Code

18257

Schedule B Code

7318152000

Summary

2a thread class, right-hand thread direction, 0.750 inches nominal thread length, 0.750 inches nominal fastener length, hexagon head style, 0.226 inches minimum and 0.243 inches maximum head height

DAC	HCC	DMIL	RNCC
5	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	KZ

Identification

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.

INC	FIIG	Concept	Condition
18257	A003B0	-	1

Specifications

Thread Class

Details

A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

Thread Direction

right-hand

Details

The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

Thread Length

0.750 inches nominal

Details

A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

Fastener Length

0.750 inches nominal

Details

The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.

Head Style

hexagon

Details

The style designation indicating the configuration that most nearly corresponds to the appearance of the head.

Head Height

0.226 inches minimum and 0.243 inches maximum

Details

A measurement from the bottom to the top of the head,in distinction from depth.

Width Between Flats

0.551 inches minimum and 0.562 inches maximum

Details

None.

Nominal Thread Diameter

0.375 inches

Details

The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.

Thread Quantity Per Inch

Details

The number of threads on the item per linear inch measured on a line parallel to the thread axis.

Minimum Tensile Strength

120000 pounds per square inch

Details

The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.

Hardness Rating

23.0 rockwell c minimum overall and 30.0 rockwell c maximum overall

Details

A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

Material

steel overall

Details

The chemical compound or mechanical mixture properties of which the item is fabricated.

Thread Series Designator

unc

Details

A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
PC179837	C7432	3	-	5	9	-	ZG
S266	K4998	2	-	5	2	-	ZK
S122119	72599	X	-	5	9	-	XX
103222	61465	5	-	5	1	-	KZ
S56-06	61465	5	-	5	1	-	KZ
1C612	12603	X	-	5	9	-	XX
1C612	89749	5	-	5	1	-	ZZ
2X33	63734	X	-	5	9	-	XX
S266	63734	X	-	5	9	-	XX
179837	24617	X	-	5	1	-	XX
227476	24617	X	-	5	1	-	XX
NL194	02978	X	-	5	1	-	XX
179837	72582	X	-	5	1	-	XX
7371908	19207	X	-	5	1	-	XX
12A7037	95201	X	-	5	1	-	XX
2X33	72260	X	-	5	9	-	XX
802285	00280	X	-	5	9	-	XX
243623	08683	X	-	5	9	-	XX
391271	65282	X	-	5	9	-	XX
02-34	35301	X	-	5	1	-	XX
BB15104	56442	5	-	5	9	-	KZ
204D	95019	X	-	5	1	-	XX
2X33	33323	X	-	5	1	-	XX
179837	55380	6	-	5	2	-	9Z
204D	45320	X	-	5	9	-	XX
MILS933TYPEA	81349	X	-	4	1	-	XX
MS35295-58	96906	X	-	2	2	-	XX

Material and Special Handling

Hazardous material, precious metals, criticality, and electrostatic discharge indicators.

HMIC	PMIC	ESD/EMI	Criticality
N	U	-	-

Freight

Universal / National Freight and Handling Information

UFC	HMC	LTL	LCL
48950	-	W	U

RVC	WCC	TCC	SHC
-	713	Z	9

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

Genuine Manufacturers Parts
100% Product Inspection
7 Year Sales Record Retention
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HAZMAT Certified
Global Shipping

Manufacturer

DIAMOND REO TRUCK CO

CAGE: 56442

SOMERSET , PA , 15501

UNITED STATES

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FAQs

Frequently asked questions for NSN 5305-00-017-9837

What is the NIIN of the NSN 5305-00-017-9837?

The National Item Identification Number (NIIN) of the NSN 5305-00-017-9837 is 00-017-9837

When the NSN 5305-00-017-9837 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Sun, Jan 1, 1961

Does the NSN 5305-00-017-9837 contain any precious metals?

Type/content is unknown

Does the NSN 5305-00-017-9837 contain any hazardous material?

No data in HMIRS

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