6620-00-557-5557

Characteristics

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

Overall Length

5.500 inches nominal

Overall Width

2.625 inches nominal

Current Type

ac

Mounting Device Quantity

4

Frequency Rating

400.0 hertz nominal

Overall Thickness

2.625 inches nominal

Actuation Method

bourdon tube

Contact Quantity

4

Contact Type

pin

Voltage Rating

26.0 volts nominal

Electrical Connection Quantity

1

Electrical Connection Identifying Number

part no. and10066a-14s-2p

Mechanical Connection Quantity

1

Mechanical Connection Size

7/16 in. dia

Mechanical Connection Type

internal tube

Mounting Method

hole

Measurement Range

+10.000 to 75.000 inches of mercury absolute pressure

Connector Controlling Agency

and

Phase

single

Fsc Application Data

transmitter,pressure,engine instrument

Replaces National Stock Numbers

Below is a list of NSNs that have been officially replaced by the NSN 6620-00-557-5557

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

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

Source of Supply

S9G - Defense supply center richmond, virginia 23297

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-E

Precious Metals Indicator

A - Item does not contain precious metal.

Pseudo Item Name Code

0003375

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

9026900000

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

127220

National Motor Freight Classification Sub-Item Number

X

Uniform Freight Classification Item Number

64490

National Motor Freight Class Rating

P - 77.5

Less than Car Load Rating

P - 77.5

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

pressure reg/red/relief valves noi

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 6620-00-557-5557

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