1A2G

Knob

This page provides complete and verified information for part number 1A2G, NSN 5355-00-943-2178

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.

1A2G
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5355 Knobs and Pointers
National Stock Number
5355-00-943-2178
Item Name Code
03263
Assigment Date
01/02/1966 (60 years ago)

A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.

0.515 inches minimum counterbore diameter, 0.250 inches maximum distance from hole center to knob/skirt base, 0.110 inches minimum counterbore depth, 2 setscrew hole quantity, 0.252 inches minimum and 0.254 inches maximum inside diameter

Characteristics

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

Inside Diameter
0.252 inches minimum and 0.254 inches maximum
Counterbore Diameter
0.515 inches minimum
Counterbore Depth
0.110 inches minimum
Setscrew Hole Quantity
2
Distance From Hole Center To Knob/Skirt Base
0.250 inches maximum
Overall Depth
0.445 inches minimum
Width
0.690 inches minimum and 0.730 inches maximum
Gripping Surface Condition
grip aid
Shaft Accommodation Style
counterbored
Length
1.515 inches minimum
Reference Marking
line
Attachment Method
setscrews
Overall Thickness
0.630 inches minimum and 0.660 inches maximum
Screw Drive Type
hexagon socket
Thread Quantity Per Inch
32 screw hole
Nominal Thread Size
0.164 inches screw hole
Pointer Design
nondetachable
Color
gray, fed std 595, 36231
Style Designator
bar with single pointer
Thread Series Designator
unc screw hole
Specification/Standard Data
96906-ms91528 government standard

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
4 - Partial descriptive item identification (type 1 concept)
Automatic Data Processing Point
0 - Represents items with no adp components
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 1A2G

What is the FSCG of the NSN 5355-00-943-2178?
The FSCG of the NSN 5355-00-943-2178 is 5355
Does the NSN 5355-00-943-2178 have a Schedule B code assigned?
Yes, the Schedule B code is 8531900002
Does NSN 5355-00-943-2178 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 5355-00-943-2178 contain precious materials?
Item does not contain precious metal.
Does NSN 5355-00-943-2178 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 5355-00-943-2178 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Sun, Jan 2, 1966

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