20839A

Dial Indicating Pressure Gage

This page provides complete and verified information for part number 20839A, NSN 6620-00-557-0406

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.

20839A
Federal Supply Group
Instruments and Laboratory Equipment
Federal Supply Classification
6620 Engine Instruments
National Stock Number
6620-00-557-0406
Item Name Code
07428
Assigment Date
01/01/1963 (63 years ago)

1.875 inches nominal overall depth, 2.000 inches nominal overall diameter, 50.0 pounds graduation unit, single bourdon tube actuation type, nonadjustable adjustability

Characteristics

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

Overall Depth
1.875 inches nominal
Overall Diameter
2.000 inches nominal
Graduation Unit
50.0 pounds
Actuation Type
single bourdon tube
Adjustability
nonadjustable
Scale Range
+0.000 to 200.000 pounds pressure per square inch
Scale Name
pressure
Dial Size
2 in. dia
Pointer Color
black
Pointer Type
indicating
Scale Marking
oil pressure
Scale Type
single
Scale Smallest Increment
10.0 pounds
Connection Type
any acceptable
Scale Accuracy
1 pct entire range
Scale Inscription/Background Color
fluorescent figures and graduations on black background
Connection Location
any acceptable
Connector Type Vent
not provided
Part Name Assigned By Controlling Agency
gage, pressure, dial indicating type agu-12/a
Color
black case
Material
glass protective crystal
Material
plastic case
Surface Treatment
paint epoxy case
Fsc Application Data
engine

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)
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
T179-B
Precious Metals Indicator
A - Item does not contain precious metal.
Pseudo Item Name Code
0007428
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
9026200000

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
121570
National Motor Freight Classification Sub-Item Number
X
Uniform Freight Classification Item Number
61770
National Motor Freight Class Rating
J - 100.0
Less than Car Load Rating
J - 100.0
Water Commodity
652 - Instruments, scientific
Type of Cargo
Z - No special type of cargo code applicable
Special Hand
Z - 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
AZ -
National Motor Freight Description
gages air liquid level pressure

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 20839A

What is the FSCG of the NSN 6620-00-557-0406?
The FSCG of the NSN 6620-00-557-0406 is 6620
Does the NSN 6620-00-557-0406 have a Schedule B code assigned?
Yes, the Schedule B code is 9026200000
Does NSN 6620-00-557-0406 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 6620-00-557-0406 contain precious materials?
Item does not contain precious metal.
Does NSN 6620-00-557-0406 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 6620-00-557-0406 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Need Consumables?

Running low on essential supplies? Explore our extensive catalog of high-quality consumables designed to keep your operations on track.

Electrical Wires

Recommended for You

Discover a selection of other high-demand NSN components from our catalog. These featured parts are frequently sourced by procurement teams across defense, aerospace, and industrial sectors.

Price & Availability

Fill out the form to get accurate pricing, lead time, and stock details from our NSN specialists:

FREE

Aviation Suppliers Association Member AS9120-ISO9001 Certification

Popular Parts

Browse our top-performing parts, selected based on customer demand and procurement frequency. All listings include up-to-date specs, availability, and condition:

E410-1001
5945-00-509-2831
Electromagnetic Relay
E410-1002
5945-00-878-8522
Electromagnetic Relay
E410-103G1
5985-00-561-6270
Antenna Subassembly
E410-103G2
5985-00-561-6269
Antenna Subassembly
E410-104G2RIGHTHAND
5840-00-561-6266
Antenna Subassy
E410-1119
5945-01-083-8154
Electromagnetic Relay
E410-1124
5945-00-331-7079
Electromagnetic Relay
E410-1125
5945-00-134-0835
Electromagnetic Relay
E410-1128
5945-00-028-0112
Electromagnetic Relay
E410-112A
5945-01-476-0464
Electromagnetic Relay
E410-1147
5945-00-324-0009
Electromagnetic Relay
E410-1148
5945-00-434-2284
Electromagnetic Relay
E410-1153
5945-00-188-5437
Electromagnetic Relay
E410-1156
5945-00-156-4323
Electromagnetic Relay
E410-1188
5945-01-016-2745
Electromagnetic Relay