257-4238
Knob
This page provides complete and verified information for part number 257-4238, NSN 5355-00-538-6636
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.
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5355 Knobs and Pointers
National Stock Number
5355-00-538-6636
Item Name Code
03263
Assigment Date
01/01/1963 (63 years ago)
2 setscrew hole quantity, 0.188 inches nominal distance from hole center to knob/skirt base, grip aid gripping surface condition, 0.438 inches nominal overall depth, 0.250 inches nominal inside diameter
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
- 0.188 inches nominal
- Overall Depth
- 0.438 inches nominal
- Gripping Surface Condition
- grip aid
- Shaft Accommodation Style
- round
- Outside Diameter
- 0.750 inches nominal
- Attachment Method
- setscrews
- Overall Thickness
- 0.563 inches nominal
- Screw Drive Type
- hexagon socket
- Color
- black
- Style Designator
- crown
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
- U - Precious metal content is unknown
- 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
- XX
- 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 257-4238
What is the FSCG of the NSN 5355-00-538-6636?
The FSCG of the NSN 5355-00-538-6636 is 5355
Does the NSN 5355-00-538-6636 have a Schedule B code assigned?
Yes, the Schedule B code is 8531900002
Does NSN 5355-00-538-6636 require demilitarization?
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.
Does NSN 5355-00-538-6636 contain precious materials?
Precious metal content is unknown
Does NSN 5355-00-538-6636 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5355-00-538-6636 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963
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