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Datasheet. NASM21318 specification
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.
0.500in. ⁓1/2"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
round
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.264in. and 0.285in.
A measurement from the bottom to the top of the head,in distinction from depth.
0.099in. and 0.111in. ⁓1/8"
The length of a straight line which passes through the center of that portion used to guide the item and terminates at the circumference.
0.122in. and 0.126in.
The length of the pilot,which is the unthreaded portion beyond the thread used to guide the item.
0.062in.
The national stock number or the identification information of the end equipment for which the item is a part.
5895-01-514-7015, communications interface system (cis) (v) 2
Those features,not otherwise specified,which may be required for proper functioning of the item.
casehardened
The style designation indicating the configuration that most nearly corresponds to the appearance of a nonmachine thread.
drive screw (type u)
The length of a straight line which passes through the center of the nonmachine threaded portion,and terminates at the circumference.
0.152in.
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
screw, drive, round head, type u, steel, carbon, cadmium plated
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.
screw is not recommended for use in material the thickness of which is less than one diameter of the screw
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
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.
cadmium and chromate
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
QQ-P-416 ty 2 cl 3 fed spec all treatment responses
The document designator of the specification or standard which established the item of supply.
80205 - NAS-21318, 25 nov 1998 which replaced MS21318, rev A0./13/65 professional/industrial association specification
Answers.
1HD
Steel
Round
Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
NSN 5305-00-850-5841 SCREW,DRIVE
Used on 5895-01-514-7015, communications interface system (cis) (v) 2. cadmium surface treated screw is not recommended for use in material the thickness of which is less than one diameter of the screw screw, drive, round head, type u, steel, carbon, cadmium plated round head style
- NIIN
- 008505841
- NIIN Date
- 01/01/62
- Schedule B
- 7318152000
- Name Code
- 15896
- FIIG
- A003B0
- Item Weight
- 0.200lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $11.50 HD
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- Metal content unknown
- 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. | MS21318-37 | Cage 80205 |
| 2. | MS21318-37 | 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
- - Spain
- - Canada
- - New Zealand
- - France
- - Republic of Korea
- - Greece
- - Turkey
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Request a Quote »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)
- 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)
- 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
- UFC (universal freight code)
- 48950
Similar by Design Other screws with similar characteristics
Nothing similar to this part number was found in our inventory
NASM21318 / Screw,driveWhat is the formal definition of this item?
A hardened cylindrical fastener with multiple spiral flutes on its shank. it also has an end smaller in diameter than the outside diameter of the spiral flutes, which acts as a pilot when driven into a drilled hole.
