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Datasheet. NAS1801-5-25 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a
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.
1.479in. and 1.562in. ⁓1-9/16"
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.
1.562in. ⁓1-9/16"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
dished hexagon
A measurement from the bottom to the top of the head,in distinction from depth.
0.156in. and 0.171in. ⁓11/64"
0.429in. and 0.439in.
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.
0.312in. ⁓5/16"
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
24
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.
160000 pounds per square inch
The chemical compound or mechanical mixture properties of which the screw is fabricated.
steel comp E4340 or steel comp 8740
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the screw material.
MIL-S-5000 mil spec 1st material response or MIL-S-6049 mil spec 2nd material response or AMS6322 assn std 2nd material response
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 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 of the screw.
QQ-P-416 TY2 CL2 fed spec single treatment response
Designates the specific surface roughness rating,representing the arithmetic average deviation of the bearing surface of head from the meanline in profile.
63.0 microinches
Designates the specific surface roughness rating,representing the arithmetic average deviation of the shank surface from the meanline in profile.
32.0 microinches
Designates the specific surface roughness rating,representing the arithmetic average deviation of the thread surface from the meanline in profile.
32.0 microinches
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.
Unjf
Cadmium and chromate
24
Dished hexagon
1.479 inches minimum and 1.562 inches maximum
Right-hand
3a
Schedule B number: 7318152000
nmfc 133300
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
NSN 5305-01-376-4577 SCREW,MACHINE
unjf thread series cadmium screw surface treated 24 thread quantity per inch dished hexagon head style 1.479" thread length right-hand 3a thread class
- NIIN
- 013764577
- NIIN Date
- 06/03/93
- Schedule B
- 7318152000
- Name Code
- 06657
- FIIG
- A500D0
- QUP
- Historical Price
- $26.90 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
Major End Users Countries and entities
- - Department of The Air Force
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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)
- Engineer and material handling equipment, test/tool sets and equipment
- NMFC (national motor freight code)
- 133300 MACHINERY/MACHINES NOI
- UFC (universal freight code)
- 63220
Similar by Design Other screws with similar characteristics
Nothing similar to this part number was found in our inventory
NAS1801-5-25 / 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.
