MS21385-12
Knob
This page provides complete and verified information for part number MS21385-12, NSN 5355-00-630-2379
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 nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.
0.252 inches minimum and 0.254 inches maximum inside diameter, smooth gripping surface condition, 0.620 inches nominal overall depth, 0.031 inches nominal distance from hole center to knob/skirt base, 2 setscrew hole quantity
Characteristics
Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.
- Inside Diameter
- 0.252 inches minimum and 0.254 inches maximum
- Setscrew Hole Quantity
- 2
- Distance From Hole Center To Knob/Skirt Base
- 0.031 inches nominal
- Overall Depth
- 0.620 inches nominal
- Gripping Surface Condition
- smooth
- Shaft Accommodation Style
- flatted one side
- Outside Diameter
- 0.880 inches nominal
- Reference Marking
- arrow
- Attachment Method
- setscrews
- Inside Width
- 0.222 inches minimum and 0.224 inches maximum
- Overall Thickness
- 0.750 inches nominal
- Screw Drive Type
- hexagon socket
- Thread Quantity Per Inch
- 36 screw hole
- Nominal Thread Size
- 0.164 inches screw hole
- Color
- gray/grey
- Style Designator
- round with bar face
- Thread Series Designator
- unf screw hole
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
- 4 - Partial descriptive item identification (type 1 concept)
- 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.
- A530M0
- A - Item does not contain precious metal.
- 0003263
- N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
- 8531900002
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
- 146230
- X
- 73040
- G - 125.0
- 576 - Metal and metal products, nos, (less than 35 feet)
- 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 -
- guns machine/parts noi sm arms ammo
FAQs
Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for MS21385-12
What is the FSCG of the NSN 5355-00-630-2379?
Does the NSN 5355-00-630-2379 have a Schedule B code assigned?
Does NSN 5355-00-630-2379 require demilitarization?
Does NSN 5355-00-630-2379 contain precious materials?
Does NSN 5355-00-630-2379 contain hazardous materials?
When the NSN 5355-00-630-2379 was assigned to the Federal Catalog?
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Price & Availability
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