MS21387-18GN
Knob
This page provides complete and verified information for part number MS21387-18GN, NSN 5355-01-230-9907
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 tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.
0.252 inches minimum and 0.254 inches maximum inside diameter, 0.460 inches maximum overall depth, 2 setscrew hole quantity, grip aid gripping surface condition, 0.190 inches nominal distance from hole center to knob/skirt base
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
- 0.190 inches nominal
- Overall Depth
- 0.460 inches maximum
- Gripping Surface Condition
- grip aid
- Shaft Accommodation Style
- flatted one side
- Outside Diameter
- 0.750 inches nominal
- Reference Marking
- arrow and line
- Attachment Method
- setscrews
- Inside Width
- 0.222 inches minimum and 0.224 inches maximum
- Overall Thickness
- 0.630 inches nominal
- Material Transparency
- clear
- Screw Drive Type
- hexagon socket
- Thread Quantity Per Inch
- 32 screw hole
- Nominal Thread Size
- 0.164 inches screw hole
- Style Designator
- round
- Thread Series Designator
- unc 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 MS21387-18GN
What is the FSCG of the NSN 5355-01-230-9907?
Does the NSN 5355-01-230-9907 have a Schedule B code assigned?
Does NSN 5355-01-230-9907 require demilitarization?
Does NSN 5355-01-230-9907 contain precious materials?
Does NSN 5355-01-230-9907 contain hazardous materials?
When the NSN 5355-01-230-9907 was assigned to the Federal Catalog?
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