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Datasheet. ASME-B18.6.3 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a
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
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
1.185in. and 1.347in. ⁓1-23/64"
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.
1.438in. and 1.500in. ⁓1-1/2"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
flat countersunk
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.452in. and 0.507in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
cross recess type 1
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"
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
20
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.
60000 pounds per square inch
The included angle of the countersink.
80.0 degrees and 82.0 degrees
The metallic,nonmetallic,and/or chemical properties with which the screw is plated,dipped and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
cadmium or zinc
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material of the screw.
sae/ams QQ-P-416 TY2CL3 fed spec single treatment response or ASTM-B633 TY2CL3 assn std single treatment response
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.
screwmaterial - steel, carbon
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.
Unc
Cadmium or zinc
20
Flat countersunk
1.185 inches minimum and 1.347 inches maximum
Right-hand
2a
FSC 5305 ⁓ Screws
NSN 5305-00-958-5248 SCREW,MACHINE
unc thread series screwmaterial - steel, carbon cadmium or zinc screw surface treated 20 thread quantity per inch flat countersunk head style 1.185" thread length right-hand 2a thread class
- NIIN
- 009585248
- NIIN Date
- 01/01/63
- Schedule B
- Name Code
- 06657
- FIIG
- A500D0
- QUP
- Historical Price
- $22.53 HD
- 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. | FF-S-92 TY3ST2C | Cage 80244 |
| 2. | FF-S-92 | Cage 81348 |
| 3. | B18.6.3 | Cage 80204 |
| 4. | MS35190-293 | Cage 96906 |
| 5. | 5305009585248 | Cage SCY13 |
Major End Users Countries and entities
- - Department of The Army
- - National Aeronautics And Space Administration
- - National Aeronautics And Space Administration
- - National Aeronautics And Space Administration
- - National Aeronautics And Space Administration
- - Department of The Navy
- - U.s. Marine Corps
- - Department of The Air Force
- - U.s. Coast Guard
- - General Services Administration
- - Brazil
- - Spain
- - Singapore
- - Morocco
- - Australia
- - Canada
- - New Zealand
- - Germany
- - Republic of Korea
- - United Kingdom
- - Portugal
- - Norway
- - Greece
- - Turkey
Availability for ASME-B18.6.3 A member of our team will provide you with a price and availability quote
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- 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
ASME-B18.6.3 / 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.
