5305-00-020-9841
Close Tolerance Screw
Find complete technical information, availability, and procurement data for NSN 5305-00-020-9841 All details are based on official government and industry records to support accurate and compliant 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.
Steel Screw with 28 threads per inch. The surface finish 32 microinches grips & threads. The Surface Treatment are Nickel and cadmium. Manufactured by Lockheed Martin Corporation. NSN 5305000209841.
Characteristics
Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.
- Surface Finish
- 32 microinches threads
- Surface Finish
- 32 microinches grip
- Countersink Angle
- 99 degrees minimum and 101 degrees maximum
- Hardness Rating
- 55 rockwell c minimum and 58 rockwell c maximum
- Hardness Rating
- 55 rockwell c minimum and 58 rockwell c maximum
- Minimum Tensile Strength
- 300000 pounds per square inch
- Thread Quantity Per Inch
- 28
- Grip Length
- 0.677 inches minimum and 0.697 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Internal Drive Style
- Offset cruciform (torque set)
- Grip Diameter
- 0.2483 inches minimum and 0.2492 inches maximum
- Head Diameter
- 0.497 inches minimum and 0.507 inches maximum
- Fastener Length
- 0.964 inches minimum and 1.011 inches maximum
- Head Style
- Flat countersunk
- Thread Direction
- Right-hand
- Thread Length
- 0.265 inches minimum and 0.334 inches maximum
- Thread Class
- 3a
- Material
- Steel
- Material Document and Classification
- Vanadium alloy m-a,vanadium alloys steel co mfr ref single material response
- Surface Treatment
- Nickel and cadmium
- Surface Treatment Document and Classification
- Ams 2416 assn std all treatment responses
- Thread Series Designator
- Unjf
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 |
|---|---|
| C079-4-11 | Close Tolerance Screw |
| SFT930-4-11 | Close Tolerance Screw |
| VS2787T4C11 | Close Tolerance Screw |
Classification Data
Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.
- Type of Item Identification
- Demilitarization
- Criticality
- Federal Item Identification Guide
- Precious Metals Indicator
- Pseudo Item Name Code
- Hazardous Material Indicator
- Schedule B Code
- 1 - Full descriptive item identification
- A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
- X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
- A003B0
- U - Precious metal content is unknown
- 0029294
- N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
- 7318152000
Freight Information
Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.
- Major Organizational Entity
- National Motor Freight Classification Item Number
- National Motor Freight Classification Sub-Item Number
- Uniform Freight Classification Item Number
- National Motor Freight Class Rating
- Water Commodity
- Type of Cargo
- Special Hand
- Air Dimension
- Air Commodity
- National Motor Freight Description
- KZ
- 136500
- Z
- 68455
- W - Rating variable
- 713 - Metal hardware
- Z - No special type of cargo code applicable
- 9 - Other or no special handling required (sh)
- A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- BZ -
- metal noi/metal alloys noi
FAQs
Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 5305-00-020-9841
What is the FSCG of the NSN 5305-00-020-9841?
Does the NSN 5305-00-020-9841 have a Schedule B code assigned?
Does NSN 5305-00-020-9841 require demilitarization?
Does NSN 5305-00-020-9841 contain precious materials?
Does NSN 5305-00-020-9841 contain hazardous materials?
When the NSN 5305-00-020-9841 was assigned to the Federal Catalog?
What is the Nominal Thread Diameter of 5305-00-020-9841?
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