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Datasheet. 12988503 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.
1.650in. and 1.750in. ⁓1-3/4"
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.
1.750in. ⁓1-3/4"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
flat chamfer
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.305in.
A measurement from the bottom to the top of the head,in distinction from depth.
0.250in. ⁓1/4"
0.070in.
The national stock number or the identification information of the end equipment for which the item is a part.
4210-01-488-9655
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
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.
the fastener has a hex socket drive style that is 0.188in. across the flats; the head has been machined to make the head an externally threaded item with 32unf threads
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 302
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
concentric hole unthreaded
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.
1EA
Unc
Concentric hole unthreaded
Steel comp 302
20
Flat chamfer
1.650 inches minimum and 1.750 inches maximum
Right-hand
2a
Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5306 ⁓ Bolts
NSN 5306-01-511-3877 BOLT,INTERNALLY RELIEVED BODY
Used on 4210-01-488-9655. unc thread series concentric hole unthreaded the fastener has a hex socket drive style that is 0.188" across the flats; the head has been machined to make the head an externally threaded item with 32unf threads 20 thread quantity per inch flat chamfer head style 1.650" thread length right-hand 2a thread class
- NIIN
- 015113877
- NIIN Date
- 08/07/03
- Schedule B
- 7318152000
- Name Code
- 06676
- FIIG
- A003B0
- QUP
- 1
- Historical Price
- $24.43 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
Major End Users Countries and entities
- - Department of The Army
- - U.s. Marine Corps
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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)
- 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
12988503 / Bolt,internally relieved bodyWhat is the formal definition of this item?
An externally threaded fastener whose external threaded portion is of one nominal diameter. it has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. the concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. the head is designed to be held or driven by an external and/or internal driver. for items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.
