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Datasheet. H522B001 ITEM NO 171 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.
0.639in. ⁓41/64"
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.
0.750in. ⁓3/4"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
hexagon
A measurement from the bottom to the top of the head,in distinction from depth.
0.195in. and 0.211in. ⁓7/32"
0.489in. and 0.500in.
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
strip fastener
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
strip threads
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.
18
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385
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
Steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385
18
Hexagon
0.639 inches
Right-hand
2a
Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
NSN 5305-01-412-1221 SCREW,CAP,HEXAGON HEAD
unc thread series 18 thread quantity per inch hexagon head style 0.639" thread length right-hand 2a thread class
- NIIN
- 014121221
- NIIN Date
- 04/12/95
- Schedule B
- 7318152000
- Name Code
- 18257
- FIIG
- A003B0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- Historical Price
- $99.65 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
| 1. | A720031C075 | Cage 98523 |
| 2. | A720031C075 | Cage 98523 |
Major End Users Countries and entities
- - Department of The Navy
Availability for H522B001 ITEM NO 171 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)
- 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 screws with similar characteristics
Nothing similar to this part number was found in our inventory
H522B001 ITEM NO 171 / Screw,cap,hexagon headWhat is the formal definition of this item?
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
