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Datasheet. DRB7500-12-QA-3 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
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. ⁓9/16"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
knurled no. 4
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.531in.
A measurement from the bottom to the top of the head,in distinction from depth.
0.530in. ⁓17/32"
The thickness of the material to be accommodated.
0.031in. and 0.062in.
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
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.
quad lead threads
The chemical compound or mechanical mixture properties of which the item is fabricated.
aluminum alloy 6061 head
The chemical compound or mechanical mixture properties of which the item is fabricated.
aluminum alloy 6061 STAND-Off
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 302 fastener or steel comp 304 fastener or steel comp 305 fastener or steel comp 316 fastener or steel comp 321 fastener or steel comp 347 fastener or steel comp 384 fastener or steel comp 385 fastener
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 302 spring
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
astm A493 assn std all material responses fastener
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
QQ-A-225/8 fed spec single material response head
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
QQ-A-225/8 fed spec single material response STAND-Off
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
QQ-W-423 cond b fed spec single material response spring
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.
anodize head
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.
anodize STAND-Off
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.
passivate fastener
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.
passivate spring
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
MIL-A-8625 type 1 class 1 mil spec single treatment response head
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
MIL-A-8625 type 1 class 1 mil spec single treatment response STAND-Off
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-35 fed spec single treatment response fastener
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-35 fed spec single treatment response spring
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
Answers.
1EA
Unf
Steel comp 302 spring
Steel comp 302 fastener or steel comp 304 fastener or steel comp 305 fastener or steel comp 316 fastener or steel comp 321 fastener or steel comp 347 fastener or steel comp 384 fastener or steel comp 385 fastener
Aluminum alloy 6061 stand-off
Aluminum alloy 6061 head
28
Knurled no. 4
Right-hand
3a
FSC 5305 ⁓ Screws
NSN 5305-01-132-2178 SCREW ASSEMBLY,PANEL
unf thread series passivate spring surface treated quad lead threads 28 thread quantity per inch knurled no. 4 head style right-hand 3a thread class
- NIIN
- 011322178
- NIIN Date
- 05/25/82
- Schedule B
- Name Code
- 33044
- FIIG
- A003B0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $30.65 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. | DRB7500-12F-A-3 | Cage 0HDW7 |
| 2. | DRB7500 12F-A-3 | Cage 17446 |
| 3. | DRB7500-12F-A-3 | Cage 97928 |
Major End Users Countries and entities
- - Department of The Navy
Availability for DRB7500-12-QA-3 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)
- 50.0
- 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)
- Metal hardware
- NMFC (national motor freight code)
- 093490 BOLT/NUT/SCREW/CLIPS/FASTENER/ETC
- UFC (universal freight code)
- 50270
Similar by Design Other screw assemblys with similar characteristics
Nothing similar to this part number was found in our inventory
DRB7500-12-QA-3 / Screw assembly,panelWhat is the formal definition of this item?
A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. attached to panel by threaded bushing or by flaring end of stand-off, or bushing. used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. may be spring loaded.
