53-81057-1
Knob
This page provides complete and verified information for part number 53-81057-1, NSN 5355-00-056-3312
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 designed to transmit manual, rotary or linear motion to other devices. May include detachable or nondetachable stud (shaft), pointer, or skirt. It may have reference markings in the form of dots, arrows, hairlines, and/or symbols which may be used in conjunction with a calibrated panel, vernier indicator, and the like to indicate the position or motion of items. For items having spokes or simulated spokes radiating from near the center to near the outside rim of the item and relatively thin round disk-shaped items 3 inches (76.2 mm) in diameter or over, see handwheel. For items calibrated in units or series of divisions to denote relative positioning of devices see dial, control. Excludes:doorknob; and handle (as modified).
0.781 inches nominal outside diameter, 0.250 inches minimum and 0.256 inches maximum inside diameter, 0.312 inches nominal distance from hole center to knob/skirt base, 1 setscrew hole quantity, smooth gripping surface condition
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 minimum and 0.256 inches maximum
- Setscrew Hole Quantity
- 1
- Distance From Hole Center To Knob/Skirt Base
- 0.312 inches nominal
- Gripping Surface Condition
- smooth
- Outside Diameter
- 0.781 inches nominal
- Skirt Style
- ring
- Reference Marking
- bomb off
- Attachment Method
- setscrews
- Overall Thickness
- 0.875 inches nominal
- Thread Quantity Per Inch
- 32 screw hole
- Nominal Thread Size
- 0.190 inches screw hole
- Skirt Outside Diameter
- 2.130 inches nominal
- Skirt Design
- detachable
- Material
- plastic
- Style Designator
- round
- 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
- 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
- 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 53-81057-1
What is the FSCG of the NSN 5355-00-056-3312?
Does the NSN 5355-00-056-3312 have a Schedule B code assigned?
Does NSN 5355-00-056-3312 require demilitarization?
Does NSN 5355-00-056-3312 contain precious materials?
Does NSN 5355-00-056-3312 contain hazardous materials?
When the NSN 5355-00-056-3312 was assigned to the Federal Catalog?
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