Clamp Bolt Assembly

M85731/1-8A

(NSN) National Stock Number

5340-01-368-9570

Federal Supply Classification

5340 Commercial Hardware

Item Name Code

20271

Schedule B Code

7318152000

Summary

3a thread class, right-hand thread direction, 2.030 inches nominal thread length, pin mounting method, 24 thread quantity per inch, 0.312 inches nominal thread size

DAC	HCC	DMIL	RNCC
4	-	-	2

RNVC	SADC	MSDS	RNAAC
2	-	-	9Z

Identification

A threaded item having an eye on one end designed to accommodate a hinge pin, or a pin inserted at right angles to the shank. It must have an adjusting nut assembled on the threads. The end of the threads may be headed, or a cap nut or similar device attached to prevent disassembly of the adjusting nut. It may also have a washer, collar or retainer assembled between the nut and hinge mounted end. Includes items having a bracket or lug mounting. It is used to rigidly clamp items to a structure, instrument, or the like.

INC	FIIG	Concept	Condition
20271	A03100	-	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

2.030 inches nominal

Details

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

Mounting Method

Details

The means of attaching the item.

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

0.312 inches

Details

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

Special Features

includes spacer stop feature

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 polyamide washer

Details

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

Material

steel comp 316 handle or aluminum alloy 2024 handle

Details

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

Material

steel comp 316 screw

Details

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

Material Document And Classification

cqq-s-763 fed spec 2nd material response handle

Details

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

Material Document And Classification

qq-s-763 fed spec 1st material response screw

Details

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

Style Designator

knurled no. 2

Details

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

Test Data Document

81349-mil-f-85731 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.).

Details

The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.

Thread Series Designator

unf

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.

Specification/Standard Data

81349-mil-f-85731/1 government specification

Details

The document designator of the specification or standard which established the item of supply.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
MIL-DTL-85731/1	81349	E	-	4	1	-	ZZ
MIL-F-85731/1	81349	4	-	5	9	-	9Z
MS14108-8A	96906	4	-	5	9	-	9Z

Material and Special Handling

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

HMIC	PMIC	ESD/EMI	Criticality
P	A	A	-

Freight

Universal / National Freight and Handling Information

UFC	HMC	LTL	LCL
-	-	-	-

RVC	WCC	TCC	SHC
-	-	-	-

Certified Supplier

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

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HAZMAT Certified
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Manufacturer

MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

CAGE: 81349

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FAQs

Frequently asked questions for NSN 5340-01-368-9570

What is the NIIN of the NSN 5340-01-368-9570?

The National Item Identification Number (NIIN) of the NSN 5340-01-368-9570 is 01-368-9570

When the NSN 5340-01-368-9570 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Sat, Dec 12, 1992

Does the NSN 5340-01-368-9570 contain any precious metals?

Does not contain precious metal

Does the NSN 5340-01-368-9570 contain any hazardous material?

No information in HMIRS

What is the ESD classification of NSN 5340-01-368-9570?

No known electrostatic discharge

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