NAS1580C4H7
This page provides complete and verified information for part number NAS1580C4H7, NSN: 5305-01-190-5777
You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.
A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
0.826 inches minimum and 0.856 inches maximum fastener length, 0.378 inches minimum and 0.428 inches maximum thread length, right-hand thread direction, flat countersunk head style, 3a thread class
Characteristics
Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.
- Thread Class
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.378 inches minimum and 0.428 inches maximum
- Fastener Length
- 0.826 inches minimum and 0.856 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.4640 inches minimum and 0.5066 inches maximum
- Grip Diameter
- 0.2485 inches minimum and 0.2495 inches maximum
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.428 inches minimum and 0.448 inches maximum
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 24.0 rockwell c minimum and 35.0 rockwell c maximum overall
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- iron alloy 660 overall
- Material Document And Classification
- ams 5731 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response overall
- Thread Series Designator
- unjf
- Specification/Standard Data
- 80205-nas1580 professional/industrial association standard
Related Parts & Specifications
This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.
| Part Number | Name |
|---|---|
| NAS1580C4H7 | Close Tolerance Screw |
FAQs
Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for NAS1580C4H7
What is the FSCG of the NSN 5305-01-190-5777?
Does the NSN 5305-01-190-5777 have a Schedule B code assigned?
Does NSN 5305-01-190-5777 require demilitarization?
Does NSN 5305-01-190-5777 contain precious materials?
Does NSN 5305-01-190-5777 contain hazardous materials?
When the NSN 5305-01-190-5777 was assigned to the Federal Catalog?
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Price & Availability
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Ready to Ship
This item is in stock and ready to ship. Available units may vary in condition (new, surplus, refurbished) and are stored across multiple verified facilities. Request a quote to confirm quantity and lead time.
| New Surplus | 1 |
| New Material | 12 |
| Total | 13 |
