Clamp Bolt Assembly

M85731/1-6A

M85731/1-6A
(NSN) National Stock Number
5340-01-088-6303
Federal Supply Classification
5340 Commercial Hardware
Item Name Code
20271
Schedule B Code
7318152000
Summary

3a thread class, right-hand thread direction, 1.375 inches nominal thread length, pin mounting method, 28 thread quantity per inch, 0.250 inches nominal thread size

DAC HCC DMIL RNCC
4 - - 2
RNVC SADC MSDS RNAAC
2 - - ZZ
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
3a
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
1.375 inches nominal
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Mounting Method
pin
Details The means of attaching the item.
Thread Quantity Per Inch
28
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Nominal Thread Size
0.250 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
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.
Style Designator
knurled no. 2
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
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.
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 - ZZ
MIL-F-85731/1B 81349 4 - 5 9 - ZZ
MS14108-6A 96906 4 - 5 9 - KZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
P A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
49780 - T -
RVC WCC TCC SHC
- 573 Z 9

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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 5340-01-088-6303
What is the NIIN of the NSN 5340-01-088-6303?
The National Item Identification Number (NIIN) of the NSN 5340-01-088-6303 is 01-088-6303
When the NSN 5340-01-088-6303 was assigned to the Federal Catalog?
It was assigned 44 years ago, on Wed, Jan 16, 1980
Does the NSN 5340-01-088-6303 contain any precious metals?
Does not contain precious metal
Does the NSN 5340-01-088-6303 contain any hazardous material?
No information in HMIRS

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