58139-40078
Knob
This page provides complete and verified information for part number 58139-40078, NSN 5355-01-166-0993
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 item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.
0.250 inches nominal inside diameter, 0.435 inches nominal distance from hole center to knob/skirt base, smooth gripping surface condition, flatted one side shaft accommodation style, 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
- 0.250 inches nominal
- Setscrew Hole Quantity
- 2
- Distance From Hole Center To Knob/Skirt Base
- 0.435 inches nominal
- Gripping Surface Condition
- smooth
- Shaft Accommodation Style
- flatted one side
- Outside Diameter
- 1.438 inches nominal
- Skirt Style
- flared
- Attachment Method
- setscrews
- Inside Width
- 0.222 inches minimum and 0.227 inches maximum
- Overall Thickness
- 0.790 inches minimum and 0.840 inches maximum
- Screw Drive Type
- slot
- Thread Quantity Per Inch
- 32 screw hole
- Nominal Thread Size
- 0.164 inches screw hole
- Skirt Outside Diameter
- 1.438 inches nominal
- Skirt Design
- nondetachable
- Pointer Design
- nondetachable
- Special Features
- altered from ms91528-1b4b
- Material
- plastic
- Style Designator
- round with single pointed bar face
- 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
- K - Full descriptive - reference 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.
- 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
- TG
- 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.
- AZ -
- 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 58139-40078
What is the FSCG of the NSN 5355-01-166-0993?
Does the NSN 5355-01-166-0993 have a Schedule B code assigned?
Does NSN 5355-01-166-0993 require demilitarization?
Does NSN 5355-01-166-0993 contain precious materials?
Does NSN 5355-01-166-0993 contain hazardous materials?
When the NSN 5355-01-166-0993 was assigned to the Federal Catalog?
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