Price Quote Get an up to date pricing and availability quote for this product. Order online or over the phone.
Quality Commitment
Serving our customers with quality and safety first.
- AS9120 Certified
- Audited supply chain
- ITAR Registered
- DDTC Registered
- HAZMAT Certified
- Customer service objectives
- Every product 100% inspected
Datasheet. B18.2.1 TABLE 4 SIZE 1/4 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.
0.406in. and 0.438in. ⁓29/64"
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.
0.406in. and 0.438in. ⁓29/64"
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.
0.150in. and 0.163in. ⁓11/64"
0.428in. and 0.437in.
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
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.
120000 pounds per square inch
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
25.0 rockwell c and 34.0 rockwell c
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.
sae J429, grade 5 assn std single material response or astm A449, grade 5, uns K04200 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.
cadmium and cadmium or chromate zinc
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
QQ-P-416, type 2, class 3 fed spec 1st treatment response or QQ-Z-325, type 2, class 3 fed spec 2nd treatment response
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unf
The document designator of the specification or standard which established the item of supply.
81348-FF-S-85 government specification and 96906-MS35292/cancelled/ government standard and 24617-123308 manufacturers standard and 80204-ansi B18.2.1 professional/industrial association standard
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.
2 type and 10p style and 5 grade and 1/4in. size
The technical differentiating characteristic/s/ of an item of supply which depart/s/ from the text of a specification or a standard in that it represents a selection of characteristics stated in the specification or standard as being optional,or a variation from one or more of the stated characteristics,or an additional characteristic not stated in the specification or standard.
as modified by cadmium or zinc surf. treat
Answers.
Unf
Steel
28
Hexagon
0.406 inches minimum and 0.438 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 5305 ⁓ Screws
NSN 5305-00-543-5056 SCREW,CAP,HEXAGON HEAD
unf thread series cadmium surface treated 28 thread quantity per inch hexagon head style 0.406" thread length right-hand 2a thread class
- NIIN
- 005435056
- NIIN Date
- 01/01/63
- Schedule B
- 7318152000
- Name Code
- 18257
- FIIG
- A003B0
- 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
| 1. | FF-S-85 | Cage 81348 |
| 2. | 123308 | Cage 7X677 |
| 3. | 123308 | Cage 24617 |
| 4. | 123308 | Cage 21450 |
| 5. | MS35292-2 | Cage 96906 |
Major End Users Countries and entities
- - Austria
- - Portugal
Availability for B18.2.1 TABLE 4 SIZE 1/4 A member of our team will provide you with a price and availability quote
Request a Quote »Shipping Information
- 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)
- 50.0
- 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)
- Metal hardware
- 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
B18.2.1 TABLE 4 SIZE 1/4 / 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.
