MS21385-26

Knob

This page provides complete and verified information for part number MS21385-26, NSN 5355-01-147-4943

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.

MS21385-26
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5355 Knobs and Pointers
National Stock Number
5355-01-147-4943
Item Name Code
03263
Assigment Date
02/17/1983 (43 years ago)

An item consisting of a length of rigid shafting designed to be coupled to the shaft of items such as variable capacitors, switches, hand cranks, post hole diggers, augers and the like. It is specifically designed to increase the length of the original shaft and may also affect a change in the shaft diameter. Includes coupling(s) or has processed end(s) to facilitate the attachment of a coupling device. May have provision for electrically insulating the extension shaft from the other shaft.

0.310 inches nominal distance from hole center to knob/skirt base, 0.126 inches minimum and 0.128 inches maximum inside diameter, smooth gripping surface condition, 2 setscrew hole quantity, 0.620 inches maximum overall depth

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Inside Diameter
0.126 inches minimum and 0.128 inches maximum
Setscrew Hole Quantity
2
Distance From Hole Center To Knob/Skirt Base
0.310 inches nominal
Overall Depth
0.620 inches maximum
Gripping Surface Condition
smooth
Shaft Accommodation Style
flatted one side
Outside Diameter
0.880 inches nominal
Skirt Style
flared
Reference Marking
indicator line
Attachment Method
setscrews
Inside Width
0.106 inches minimum and 0.110 inches maximum
Overall Thickness
0.750 inches nominal
Material Transparency
opaque
Screw Drive Type
hexagon socket
Thread Quantity Per Inch
40 screw hole
Nominal Thread Size
0.112 inches screw hole
Skirt Outside Diameter
0.880 inches nominal
Skirt Design
nondetachable
Special Features
reference marking is in border,shaft accommodation hole counterbore 0.380 in. diameter,0.160 in. depth,color of border is black,fed std 595,no. 37038,color of reference marking is fed std 595,no. 37875
Color
gray, fed std 595, 36231 and white
Material
copper alloy and plastic acrylonitrile-butadiene-styrene (abs) and steel or steel comp 303
Style Designator
round with 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
1 - Full descriptive item identification
Demilitarization
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.
Criticality
X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Federal Item Identification Guide
A530M0
Precious Metals Indicator
A - Item does not contain precious metal.
Pseudo Item Name Code
0003263
Hazardous Material Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Schedule B Code
8531900002

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
KZ
National Motor Freight Classification Item Number
146230
National Motor Freight Classification Sub-Item Number
X
Uniform Freight Classification Item Number
73040
National Motor Freight Class Rating
G - 125.0
Water Commodity
576 - Metal and metal products, nos, (less than 35 feet)
Type of Cargo
Z - No special type of cargo code applicable
Special Hand
9 - Other or no special handling required (sh)
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity
BZ -
National Motor Freight Description
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 MS21385-26

What is the FSCG of the NSN 5355-01-147-4943?
The FSCG of the NSN 5355-01-147-4943 is 5355
Does the NSN 5355-01-147-4943 have a Schedule B code assigned?
Yes, the Schedule B code is 8531900002
Does NSN 5355-01-147-4943 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 5355-01-147-4943 contain precious materials?
Item does not contain precious metal.
Does NSN 5355-01-147-4943 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 5355-01-147-4943 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Thu, Feb 17, 1983

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