Hexagon Self-Locking Nut

MIL-N-25027

(NSN) National Stock Number

5310-00-088-0551

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, 0.116 inches minimum and 0.156 inches maximum nut counterbore diameter, soluble lubricant lubrication, hexagon nut style

DAC	HCC	DMIL	RNCC
4	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	9Z

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.

Counterbore Diameter

0.116 inches minimum and 0.156 inches maximum nut

Details

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

Lubrication

soluble lubricant

Details

A substance designed to provide a reduction of friction between the two surfaces in contact.

Nut Style

hexagon

Details

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

Nut Height

0.133 inches minimum and 0.157 inches maximum

Details

None.

End Item Identification

tactical data system, an/uya-4(v), aircraft, ( ac-130h, mc-130h, ec-; 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

0.243 inches minimum and 0.251 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

0.112 inches

Details

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

Countersink Angle

88.0 degrees nominal nut

Details

The included angle of the countersink.

Bearing Surface Type

chamfered or washer faced

Details

Indicates the type of bearing surface.

Bearing Surface Finish

125.0 microinches

Details

Designates the specific roughness rating of the bearing surface,representing the arithmetic average deviation of the surface from the meanline in profile.

Material

plastic polyamide locking insert

Details

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

Material

steel nut

Details

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

Surface Treatment

cadmium nut

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.

Surface Treatment Document And Classification

qq-p-416,ty 2,cl 3 fed spec single treatment response nut

Details

The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
10116547	A486G	9	-	6	9	-	WF
Z00.0114417	F0086	4	-	5	9	-	ZF
Z00.N5402337004	F0086	4	-	5	9	-	ZF
142200440	D1876	3	-	5	2	-	ZG
E21301-01	D1379	1	-	5	9	-	ZG
272 532 739	D3683	3	-	5	2	-	ZG
22NM40	D9182	6	-	C	1	-	ZZ
3M239N40	D9182	6	-	C	1	-	ZZ
69510-28	D9182	6	-	C	1	-	ZZ
7024420P1	D9182	6	-	C	1	-	ZZ
946536-1600	D9182	6	-	C	1	-	ZZ
AN365-440A	D9182	6	-	C	1	-	ZZ
AN635-440	D9182	6	-	C	1	-	ZZ
F22NM40	D9182	6	-	C	1	-	ZZ
MS20365-440	D9182	6	-	C	1	-	ZZ
MS20470B3-3	D9182	6	-	C	1	-	ZZ
MS21044-N0.4	D9182	6	-	C	1	-	ZZ
NAS1021N04	D9182	6	-	C	1	-	ZZ
5310PL0145345	9009H	9	-	6	9	-	WP
5310PL1368400	9009H	9	-	6	9	-	WP
5310PL1826710	9009H	9	-	6	9	-	WP
525-628-90451	99193	6	-	C	1	-	ZZ
4158067-015	05869	6	-	5	2	-	ZX
4158067-15	05869	6	-	5	2	-	ZX
2533408-103	10001	A	-	5	9	-	KZ
190734	24617	5	-	5	9	-	KZ
422204-8	94580	1	-	5	9	-	KZ
422294-8	94580	2	-	5	9	-	9Z
B4525-320-16	60532	1	-	5	2	-	PA
870121	19203	2	-	5	1	-	CD
F22NM-40	72962	2	-	5	9	-	9Z
0878	48431	5	-	5	9	-	XX
1230122	79500	5	-	5	9	-	KZ
F22NM-440	27687	A	-	5	2	-	KZ
MS21044N04	80205	E	-	3	2	-	ZZ
NASM25027	80205	E	-	5	1	-	ZZ
AN365-440	88044	4	-	5	9	-	9Z
MS20365-440A	96906	4	-	5	9	-	9Z
MS21044N04	96906	5	-	5	9	-	XX