NAS720B8-4
View detailed technical data, stock status, and sourcing information for: NAS720B8-4
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part NAS720B8-4 to receive an up to date pricing and availability quote by email.
An externally threaded fastener whose threaded and unthreaded portions are of one nominal diameter and are separated by a narrow circumferential groove. The head is designed to be held or driven with an inserted driver. Excludes:bolt, shear.
0.202 inches minimum and 0.250 inches maximum thread length, pan no. 2 head style, right-hand thread direction, 0.218 inches minimum and 0.250 inches maximum fastener length, 2a thread class
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.202 inches minimum and 0.250 inches maximum
- Fastener Length
- 0.218 inches minimum and 0.250 inches maximum
- Head Style
- pan no. 2
- Head Diameter
- 0.306 inches minimum and 0.322 inches maximum
- Head Height
- 0.085 inches minimum and 0.096 inches maximum
- Washer Quantity
- 2
- Internal Drive Style
- offset cruciform (torque set)
- Nominal Thread Diameter
- 0.164 inches
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 55000 pounds per square inch
- Secondary Washer Relationship To Primary Washer
- not identical
- Secondary Washer Style
- flat
- Primary Washer Outside Diameter
- 0.293 inches maximum
- Secondary Washer Outside Diameter
- 0.307 inches minimum and 0.317 inches maximum
- Primary Washer Style
- split helical ring
- Primary Washer Material Thickness
- 0.040 inches minimum
- Secondary Washer Material Thickness
- 0.013 inches minimum and 0.019 inches maximum
- Material
- copper alloy 510 primary washer
- Material
- copper alloy 230 or copper alloy 240 or copper alloy 260 or copper alloy 268 or copper alloy 342 or copper alloy 353 or copper alloy 360 or copper alloy 377 fastener
- Material
- copper alloy 260 or copper alloy 268 secondary washer
- Material Document And Classification
- qq-p-613 fed spec single material response secondary washer
- Material Document And Classification
- qq-p-750,comp a fed spec single material response primary washer
- Surface Treatment
- tin overall
- Surface Treatment Document And Classification
- qq-n-290 fed spec single treatment response overall
- Thread Series Designator
- unc
- Specification/Standard Data
- 80205-nas720 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 |
|---|---|
| NAS720B8-4 | Assembled Washer Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-121-2689?
Does the NSN 5305-01-121-2689 have a Schedule B code assigned?
Does NSN 5305-01-121-2689 require demilitarization?
Does NSN 5305-01-121-2689 contain precious materials?
Does NSN 5305-01-121-2689 contain hazardous materials?
When the NSN 5305-01-121-2689 was assigned to the Federal Catalog?
Professional Distribution
Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.
- ITAR Registered
- DDTC Registered
- HAZMAT Certified
- AS9120 Quality Standards
- 100% Quality Inspections
You May Also Like
Browse other in-demand NSN parts sourced by professionals in defense, aerospace, and manufacturing sectors. Each component meets strict standards for quality and performance.
Pricing
Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:
