AT25440
Knob
This page provides complete and verified information for part number AT25440, NSN 5355-01-199-8239
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 item intended to be mounted on or associated with a rotating shaft or similar device to determine relative position or definite dial and/or scale readings. Positioning may be indicated by the shape of the item or by a reference line thereon. Excludes:cursor, indicator and knob.
0.510 inches nominal shank diameter, 0.190 inches nominal inside diameter, 2 setscrew hole quantity, 0.190 inches nominal distance from hole center to knob/skirt base, concave shank style
Characteristics
Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.
- Inside Diameter
- 0.190 inches nominal
- Shank Diameter
- 0.510 inches nominal
- Shank Style
- concave
- Setscrew Hole Quantity
- 2
- Distance From Hole Center To Knob/Skirt Base
- 0.190 inches nominal
- Gripping Surface Condition
- smooth
- Shaft Accommodation Style
- round
- Outside Diameter
- 1.180 inches nominal
- Shank Radius
- 0.430 inches nominal
- Reference Marking
- d and line
- Attachment Method
- setscrews and screw on
- Overall Thickness
- 0.820 inches nominal
- Material Transparency
- opaque
- Thread Quantity Per Inch
- 32 screw hole
- Nominal Thread Size
- 0.164 inches screw hole
- Special Features
- there are 5 horizontal lines to left of-d,shaft accommodation hole is threaded,0.190 in. dia,32 threads,unf
- Style Designator
- crown
- 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
- 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)
- 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
- KH
- 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 AT25440
What is the FSCG of the NSN 5355-01-199-8239?
Does the NSN 5355-01-199-8239 have a Schedule B code assigned?
Does NSN 5355-01-199-8239 require demilitarization?
Does NSN 5355-01-199-8239 contain precious materials?
Does NSN 5355-01-199-8239 contain hazardous materials?
When the NSN 5355-01-199-8239 was assigned to the Federal Catalog?
Need Consumables?
Running low on essential supplies? Explore our extensive catalog of high-quality consumables designed to keep your operations on track.
Recommended for You
Discover a selection of other high-demand NSN components from our catalog. These featured parts are frequently sourced by procurement teams across defense, aerospace, and industrial sectors.
Price & Availability
Fill out the form to get accurate pricing, lead time, and stock details from our NSN specialists:
