5305-01-059-0218
Close Tolerance Screw
Find complete technical information, availability, and procurement data for NSN 5305-01-059-0218 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.
3a thread class, 1.390 inches minimum and 1.422 inches maximum fastener length, flat countersunk head style, right-hand thread direction, 0.442 inches minimum and 0.494 inches maximum thread length
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
- 0.442 inches minimum and 0.494 inches maximum
- Fastener Length
- 1.390 inches minimum and 1.422 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.693 inches minimum and 0.768 inches maximum
- Grip Diameter
- 0.3733 inches minimum and 0.3742 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 0.928 inches minimum and 0.948 inches maximum
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 16000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
- Countersink Angle
- 100.0 degrees nominal
- Surface Finish
- 63.0 microinches grip
- Material
- steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 or steel comp 4037 overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 3 fed spec single treatment response overall
- Thread Series Designator
- unf
- Specification/Standard Data
- 81205-bacb30ab manufacturers 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 |
|---|---|
| BACB30AB-P6-17A | 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
- Source of Supply
- Demilitarization
- Criticality
- Federal Item Identification Guide
- Precious Metals Indicator
- Pseudo Item Name Code
- Hazardous Material Indicator
- Schedule B Code
- 1 - Full descriptive item identification
- S9I - Defense industrial supply center philadelphia, pennsylvania 19111
- 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
- 093486
- Z
- 48950
- 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 -
- bolts,nuts or screws, noi (sub 3)
FAQs
Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 5305-01-059-0218
What is the FSCG of the NSN 5305-01-059-0218?
Does the NSN 5305-01-059-0218 have a Schedule B code assigned?
Does NSN 5305-01-059-0218 require demilitarization?
Does NSN 5305-01-059-0218 contain precious materials?
Does NSN 5305-01-059-0218 contain hazardous materials?
When the NSN 5305-01-059-0218 was assigned to the Federal Catalog?
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