71144-66
Hexagon Head Cap Screw
This page provides complete and verified information for part number 71144-66, NSN 5305-00-269-3242
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.
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
2a thread class, 2.000 inches nominal fastener length, right-hand thread direction, hexagon head style, 1.000 inches minimum and 1.188 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 1.000 inches minimum and 1.188 inches maximum
- Fastener Length
- 2.000 inches nominal
- Head Style
- hexagon
- Head Height
- 0.226 inches minimum and 0.243 inches maximum
- Width Between Flats
- 0.551 inches minimum and 0.562 inches maximum
- End Item Identification
- mrap - cougar
- Nominal Thread Diameter
- 0.375 inches
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 150000 pounds per square inch
- Hardness Rating
- 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
- Material
- steel overall
- Material Document And Classification
- sae j429 gr8 assn std single material response overall
- Surface Treatment
- zinc and chromate overall
- Surface Treatment Document And Classification
- astm b633 ty 2 sc 3 assn std single treatment response overall
- Thread Series Designator
- unf
Classification Data
Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.
- Type of Item Identification
- Automatic Data Processing Point
- Demilitarization
- Criticality
- Federal Item Identification Guide
- Precious Metals Indicator
- Pseudo Item Name Code
- Hazardous Material Indicator
- Schedule B Code
- 1 - Full descriptive item identification
- 0 - Represents items with no adp components
- 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
- A - Item does not contain precious metal.
- 0018257
- 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
- XX
- 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.
- VZ -
- 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 71144-66
What is the FSCG of the NSN 5305-00-269-3242?
Does the NSN 5305-00-269-3242 have a Schedule B code assigned?
Does NSN 5305-00-269-3242 require demilitarization?
Does NSN 5305-00-269-3242 contain precious materials?
Does NSN 5305-00-269-3242 contain hazardous materials?
When the NSN 5305-00-269-3242 was assigned to the Federal Catalog?
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