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Datasheet. 657488 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.
0.348in. and 0.393in. ⁓13/32"
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.
0.552in. and 0.572in. ⁓37/64"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
tee no. 3
A measurement from the bottom to the top of the head,in distinction from depth.
0.080in. and 0.100in. ⁓7/64"
A measurement of the longest dimension of a head,in distinction from width.
0.490in. and 0.510in.
0.340in. and 0.360in.
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.
28
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
42.0 rockwell c and 46.0 rockwell c
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.
shoulder 0.127 in. min, 0.132 in. max lg from bearing surface of head by 0.309 in. min, 0.311 in. max dia
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
ams 6304 assn std single material response
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.
nickel and cadmium
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
ams 2416 assn std all treatment responses
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.
1EA
Unjf
Steel
28
Tee no. 3
0.348 inches minimum and 0.393 inches maximum
Right-hand
3a
Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5306 ⁓ Bolts
NSN 5306-00-410-6938 BOLT,TEE HEAD
unjf thread series nickel surface treated shoulder 0.127 in. min, 0.132 in. max lg from bearing surface of head by 0.309 in. min, 0.311 in. max dia 28 thread quantity per inch tee no. 3 head style 0.348" thread length right-hand 3a thread class
- NIIN
- 004106938
- NIIN Date
- 07/30/70
- Schedule B
- 7318152000
- Name Code
- 06668
- FIIG
- A003B0
- QUP
- 1
- Historical Price
- $9.20 EA
- 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
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
- 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
657488 / Bolt,tee headWhat is the formal definition of this item?
An externally threaded fastener whose threaded portion is of one nominal diameter and with a head specially designed to fit in a slot and hold against turning.
