A-A-55624

AA55624 Machine Screw

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Datasheet. A-A-55624 specification

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

2a

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

0.325in. ⁓21/64"

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.

0.341in. and 0.375in. ⁓3/8"

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

pan no. 2

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

0.205in. and 0.219in.

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

0.058in. and 0.068in. ⁓5/64"

Internal Drive Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.

slot

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

0.112in. (UTS #4)

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

40

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

plastic polyhexamethylene amide

Screw 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 screw material.

MIL-M-20693 ty 1 mil spec single material response

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.

unc

Answers.

What class is the thread series?

Unc

What is the thread quantity per inch?

40

What is the head style?

Pan no. 2

What is the thread length?

0.325 inches minimum

What is the thread class?

2a

What is the NSN for A-A-55624?

5305-00-833-8631

How is this classified for shipping?

Schedule B number: 3926909987
nmfc 096640
Articles of plastics & articles of other materials of heading 3901 to 3914

What's the federal classification of A-A-55624?

FSC 5305 ⁓ Screws

NSN 5305-00-833-8631 SCREW,MACHINE

unc thread series 40 thread quantity per inch pan no. 2 head style 0.325" thread length 2a thread class

NIIN
008338631
NIIN Date
09/15/67
Schedule B
3926909987 
Name Code
06657
FIIG
A500D0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$0.13 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. YP-5 Cage 00141
2. 56664-406 Cage 96214
3. 290-005-0406 Cage 95542
4. 946926-15 Cage 06481
5. 05045-0002 Cage 26344
6. MS18212-15 Cage 96906
7. YP-5 Cage 00141
8. 56664-406 Cage 96214
9. 290-005-0406 Cage 95542
10. 946926-15 Cage 06481
11. 05045-0002 Cage 26344
12. MS18212-15 Cage 96906
13. YP-5 Cage 00141
14. 56664-406 Cage 96214
15. 290-005-0406 Cage 95542
16. 946926-15 Cage 06481
17. 05045-0002 Cage 26344
18. MS18212-15 Cage 96906
19. YP-5 Cage 00141
20. 56664-406 Cage 96214
21. 290-005-0406 Cage 95542
22. 946926-15 Cage 06481
23. 05045-0002 Cage 26344
24. MS18212-15 Cage 96906

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Army 
  • - Department of The Air Force 
  • - U.s. Marine Corps 
  • - Austria 
  • - Poland 
  • - Spain 
  • - Singapore 
  • - Kuwait 
  • - Canada 
  • - New Zealand 
  • - France 
  • - Germany 
  • - Republic of Korea 
  • - United Kingdom 
  • - Portugal 
  • - Italy 
  • - Greece 
  • - Turkey 
  • - Nato Maintenance And Supply Agency 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
70.0 
LCL (less than a car load rating)
Unknown
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
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Metal hardware 
NMFC (national motor freight code)
096640 SCREWS, IRON OR STEEL 
UFC (universal freight code)
50600 

Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

A-A-55624 / Screw,machineWhat is the formal definition of this item?

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). no. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. a locking feature may be incorporated in the design of the head or threads. excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. see also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.