NAS509-4CU
View detailed technical data, stock status, and sourcing information for: NAS509-4CU
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A combination of items used in sealing various rotary shaft equipment. It may include items such as bellows, disk, drive ring, flexible diaphragm, mating ring, o-ring, retainer, seat, sleeve, washer, and the like. Excludes:seal,plain encased.
2b thread class, 0.178 inches minimum and 0.198 inches maximum nut height, right-hand thread direction, hexagon nut style, 0.428 inches minimum and 0.448 inches maximum width across flats
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 2b
- Thread Direction
- right-hand
- Nut Style
- hexagon
- Nut Height
- 0.178 inches minimum and 0.198 inches maximum
- Width Across Flats
- 0.428 inches minimum and 0.448 inches maximum
- Thread Series
- unjf
- Thread Quantity Per Inch
- 28
- Nominal Thread Size
- 0.2500 inches
- Countersink Angle
- 109.0 degrees minimum and 111.0 degrees maximum nut
- Bearing Surface Type
- chamfered
- Part Name Assigned By Controlling Agency
- nut, jam, drilled and undrilled
- Special Features
- material: cres, a286 (uns s66286) per ams5525, ams5732, or ams5737. finish: passivate per ams2700, method 1, class 4 (code c). cres, 150 ksi min tensile strength. code u = undrilled. thread per as8879.
- Material
- steel corrosion resisting overall
- Material Document And Classification
- ams5525 aerospace material spec std all material responses or ams5732 aerospace material spec std all material responses or ams5737 aerospace material spec std all material responses overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- ams2700, method 1, class 4 international std/spec all treatment responses overall
- Specification/Standard Data
- 80205-nas509 professional/industrial association standard
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| NAS509 REV 8 | Hexagon Plain Nut |
| NAS509-4CU | Hexagon Plain Nut |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-01-706-5764?
Does the NSN 5310-01-706-5764 have a Schedule B code assigned?
Does NSN 5310-01-706-5764 require demilitarization?
Does NSN 5310-01-706-5764 contain precious materials?
Does NSN 5310-01-706-5764 contain hazardous materials?
When the NSN 5310-01-706-5764 was assigned to the Federal Catalog?
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