Hexagon Self-Locking Nut

15-3819 PC 18

(NSN) National Stock Number

5310-00-050-6646

Federal Supply Classification

5310 Nuts and Washers

Item Name Code

05277

Schedule B Code

7318160000

Summary

3b thread class, right-hand thread direction, prevailing torque with nonmetallic insert locking feature, hexagon nut style, 0.318 inches minimum and 0.469 inches maximum nut height, multiple launch rocket system (mlrs) end item identification

DAC	HCC	DMIL	RNCC
5	-	-	C

RNVC	SADC	MSDS	RNAAC
1	AC	-	ZZ

Identification

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

INC	FIIG	Concept	Condition
05277	A021A0	1	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.

Locking Feature

prevailing torque with nonmetallic insert

Details

An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.

Nut Style

hexagon

Details

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

Nut Height

0.318 inches minimum and 0.469 inches maximum

Details

None.

End Item Identification

multiple launch rocket system (mlrs)

Details

The national stock number or the identification information of the end equipment for which the item is a part.

Width Across Flats

0.553 inches minimum and 0.565 inches maximum

Details

The shortest straight line between flats,perpendicular to the height.

Temp Rating

250.0 deg fahrenheit nominal

Details

A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.

Thread Series

unc

Details

A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.

Thread Quantity Per Inch

Details

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

Nominal Thread Size

0.375 inches

Details

A designation that is used for the purpose of general identification of the thread.

Bearing Surface Type

flat

Details

Indicates the type of bearing surface.

Special Features

w/nylon insert

Details

Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.

Material

plastic nylon locking insert

Details

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

Material

steel comp 303 nut

Details

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

Material Document And Classification

ast d4066 assn std single material response locking insert

Details

The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.

Surface Treatment

passivate overall except insert

Details

The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
110-1609-06-0	D9182	6	-	C	1	-	ZZ
12Z2007-344	D9182	6	-	C	1	-	ZZ
2498-00-313-9 S Z-8TO20 TY-I	D9182	6	-	C	1	-	ZZ
3/8-16UNC-3B	D9182	6	-	C	1	-	ZZ
A08069.004.156	D9182	6	-	C	1	-	ZZ
M24129-3-6C	D9182	6	-	C	1	-	ZZ
MS17830-60	D9182	6	-	C	1	-	ZZ
MS17830-6C	D9182	6	-	C	1	-	ZZ
5310PL1334761	9009H	9	-	6	9	-	WP
0740689	S3002	3	-	5	2	-	YB
D60-000-1 1/2 I	65079	6	-	C	1	-	ZZ
122-5277668 ITEM 52	53711	5	-	C	1	-	ZZ
122-7270389PC 34	53711	5	-	C	1	-	ZZ
122-7270390 PC 53	53711	5	-	C	1	-	ZZ
501-7298327 TEM NO 28	53711	5	-	C	1	-	ZZ
501-7368087 ITEM NO 10	53711	5	-	C	1	-	ZZ
501-7368087 ITEM NO 48	53711	5	-	C	1	-	ZZ
501-7368092 ITEMS NO 13 & 47	53711	5	-	C	1	-	ZZ
5486661 ITEM 78	53711	6	-	C	1	-	ZZ
607-6225287 ITE	53711	6	-	C	1	-	ZZ
6574398 PART 47	53711	5	-	5	1	-	ZZ
6961905 FIND 5	53711	6	-	C	1	-	ZZ
709-5486672 ITEM 173	53711	5	-	C	1	-	ZZ
7346676 ITEM NO 46	53711	5	-	C	1	-	ZZ
803-5001003-X5XX-06	53711	5	-	C	1	-	ZZ
T11234	75160	4	-	C	1	-	AZ
15-3818 PC 25	42280	5	-	C	1	-	ZZ
15-3820 PC 18-E	42280	5	-	C	1	-	ZZ
B80-2000	42280	5	-	C	1	-	ZZ
548666 ITEM 78	43689	6	-	C	1	-	ZZ
5486661 ITEM 78	43689	6	-	C	1	-	ZZ
5583811-PC23-4	43689	6	-	C	1	-	ZZ
MS17830-6C	80205	E	-	3	2	-	ZZ
NASM17830	80205	E	-	5	1	-	ZZ
845-2050999	80064	A	-	D	9	-	ZZ
M24129/3-6C	81349	4	-	5	9	-	KZ
MS17830-6C	96906	E	-	5	9	-	XX