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Datasheet. 57991-507-7 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a nut thread
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a stud thread
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 nut thread
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 stud thread
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.272in. stud thread ⁓9/32"
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.500in. nut thread and 0.620in. nut thread ⁓5/8"
The length of the enlarged portion/s/ located on the shank of the item.
0.050in.
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
2.370in. ⁓2-3/8"
0.088in.
The distance across the flats.
0.302in. and 0.312in.
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
32 nut thread
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
32 stud thread
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
320.0 vickers or firth diamond pyramid
A designation that is used for the purpose of general identification of the thread.
0.164in. nut thread ⁓11/64"
A designation that is used for the purpose of general identification of the thread.
0.164in. stud thread ⁓11/64"
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.
feat
1.340in.
0.164in.
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
125.0 microinches
0.120in. and 0.130in.
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.
design analysis; nuclear hardness critical
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
An indication of the nuclear hardness criticality of the item.
hardened
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
shouldered
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unjc nut thread
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unjc stud thread
Answers.
1EA
Unjc stud thread
Unjc nut thread
Shouldered
Steel
32 stud thread
32 nut thread
0.500 inches minimum nut thread and 0.620 inches maximum nut thread
0.272 inches stud thread
Right-hand stud thread
Right-hand nut thread
3a stud thread
3a nut thread
FSC 5307 ⁓ Studs
NSN 5307-00-126-0523 STUD,SHOULDERED
unjc stud thread thread series shouldered design analysis; nuclear hardness critical 32 stud thread thread quantity per inch 2.370" overall length 0.500" nut thread thread length right-hand stud thread 3a stud thread thread class
- NIIN
- 001260523
- NIIN Date
- 11/22/68
- Schedule B
- Name Code
- 15946
- FIIG
- A051A0
- QUP
- 1
- Historical Price
- $39.05 EA
- DEMIL / ITAR
- USML/ITAR controlled item (Code: B)
- 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
Major End Users Countries and entities
- - Department of The Air Force
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Request a Quote »Shipping Information
- Special Handling
- Highest sensitivity, category i, aa&e, unclassified
- LTL (less than a truck load rating)
- Rating variable
- LCL (less than a car load rating)
- Unknown
- Special Cargo
- Protected/sensitive non-hazardous/non-esd commodities
- Air Freight (Minimum cargo door size required)
- Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- Customs Requirement Classification
- Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
- 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 studs with similar characteristics
Nothing similar to this part number was found in our inventory
57991-507-7 / Stud,shoulderedWhat is the formal definition of this item?
A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends with threads of the same nominal diameter. all or part of the unthreaded section has a cross-sectional diameter greater than the nominal stud size plus 0.020 inches (0.508 mm). it may be thread relieved. see also stud, locked in.
