3M1277E4D9A

3M1277E4D9A Close Tolerance Bolt

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Datasheet. 3M1277E4D9A specification

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

3a

Thread Direction
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.

RIGHT-Hand

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

0.410in. and 0.440in. ⁓29/64"

Fastener Length
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.

0.972in. and 1.002in. ⁓1-1/64"

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

fillister countersunk

Head Diameter
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.

0.265in. and 0.272in.

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

0.057in. ⁓1/16"

Grip Diameter
The length of a straight line which passes through the center of the grip,and terminates at the circumference.

0.2646in. and 0.2651in.

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

f/A-18 aircraft

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

0.250in. ⁓1/4"

Grip Length
A measurement of the longest dimension of the grip,in distinction from width.

0.552in. and 0.572in.

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

28

Countersink Angle
The included angle of the countersink.

99.0 degrees and 101.0 degrees

Criticality Code Justification
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.

agav

Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.

bolt, 100 deg reduced head, gear drive recess, inconel 718 (125 ksi shear) , 0.0156 inch oversize

Special Features
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.

internal drive recess per nas 1800

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

nickel alloy 718

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

ams 5662 assn std single material response

Surface Treatment
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.

passivate

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

MIL-L-87132, ty 1, gr b mil spec single treatment response

Supplementary Features
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.

0.076 inch dia cotter pin hole at the tip of the bolt 0.106 inch from the end

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

unjf

Answers.

What class is the thread series?

Unjf

What material is the close tolerance bolt made of ?

Nickel alloy 718

What is the thread quantity per inch?

28

What is the grip length?

0.552 inches minimum and 0.572 inches maximum

What is the head style?

Fillister countersunk

What is the thread length?

0.410 inches minimum and 0.440 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for 3M1277E4D9A?

5306-01-536-4438

How is this classified for shipping?

Schedule B number: 7508900000
nmfc 093486
Other articles of nickel (excluding cloth, grill & netting of nickel wire)

What's the federal classification of 3M1277E4D9A?

FSC 5306 ⁓ Bolts

NSN 5306-01-536-4438 BOLT,CLOSE TOLERANCE

Used on f/a-18 aircraft. unjf thread series passivate surface treated internal drive recess per nas 1800 bolt, 100 deg reduced head, gear drive recess, inconel 718 (125 ksi shear) , 0.0156 inch oversize 28 thread quantity per inch 0.552" grip length fillister countersunk head style 0.410" thread length right-hand 3a thread class

NIIN
015364438
NIIN Date
01/05/06
Schedule B
7508900000 
Name Code
27851
FIIG
A003B0
QUP
 
Historical Price
$160.00 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. TX1027E4D9XA Cage 27624
2. TX1027E4D9XA Cage 56878
3. TX1027E4D9XA Cage 06725
4. TX1027E4D9XA Cage 06950
5. TX1027E4D9XA Cage 73197
6. TX1027E4D9XA Cage 80539
7. TX1027E4D9XA Cage L4528
8. 11861E4D9A Cage 59563
9. TX1027E4D9XA Cage 0PTK6
10. WC1277E4D9A Cage 60516

Major End Users Countries and entities

  • - Department of The Navy 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
LCL (less than a car load rating)
Rating variable
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft 
Commodity (for shipments via water)
Bolts or nuts (iron or steel),(less than 35 feet) 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other bolts with similar characteristics

Nothing similar to this part number was found in our inventory

3M1277E4D9A / Bolt,close toleranceWhat is the formal definition of this item?

An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. the head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. for items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. for items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.