P1438PC4

Knob

This page provides complete and verified information for part number P1438PC4, NSN 5355-00-538-2551

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.

P1438PC4
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5355 Knobs and Pointers
National Stock Number
5355-00-538-2551
Item Name Code
03263
Assigment Date
01/01/1963 (63 years ago)

An insulator having flat surfaces, with or without holes, whose thickness does not exceed 25 percent of its length or width, whichever is smaller, and whose shape is other than round. Excludes:insulator (1), spacer; insulator (1), washer; mounting pad, electrical-electronic component; plate, electrical shield; and terminal board.

0.437 inches nominal shank diameter, 1 setscrew hole quantity, 0.250 inches nominal shank length, straight shank style, 0.125 inches nominal distance from hole center to knob/skirt base

Characteristics

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

Shank Length
0.250 inches nominal
Shank Diameter
0.437 inches nominal
Shank Style
straight
Setscrew Hole Quantity
1
Distance From Hole Center To Knob/Skirt Base
0.125 inches nominal
Gripping Surface Condition
grip aid
Outside Diameter
0.875 inches nominal
Attachment Method
screw on
Overall Thickness
0.500 inches nominal
Thread Quantity Per Inch
64 screw hole
Nominal Thread Size
0.086 inches screw hole
Material
copper alloy
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
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
U - Precious metal content is unknown
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
XX
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 P1438PC4

What is the FSCG of the NSN 5355-00-538-2551?
The FSCG of the NSN 5355-00-538-2551 is 5355
Does the NSN 5355-00-538-2551 have a Schedule B code assigned?
Yes, the Schedule B code is 8531900002
Does NSN 5355-00-538-2551 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 5355-00-538-2551 contain precious materials?
Precious metal content is unknown
Does NSN 5355-00-538-2551 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 5355-00-538-2551 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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