Pressurized Compartmen Altimeter NSN 6685-00-148-9729

Item Description

A self-contained aneroid instrument designed specifically for use in a pressurized compartment of an aircraft to provide an indication of pressure in feet altitude.

NSN: 6685-00-148-9729

Stock Availability

NSN 6685001489729 availability
(as of 01/25/2022).

OH: 1
SV: 1
NS: 1

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Related NSN

Features and Characteristics

Overall Depth

1.750 inches

Overall Length

2.185 inches

Overall Height

2.375 inches

Overall Width

2.375 inches

Overall Diameter

2.180 inches

Contact Type

Scale Quantity

Scale Name

Cabin pressure altitude

Electrical Connection Identifying Number

Dm5600-3p or equivalent

Scale Marking And Surface Finish

Lined increments nonluminous

Nonluminous Scale Marking And Color

Numerals white

Mechanical Connection Quantity

Mechanical Connection Size

7/16-20 unf per ms33649-4

Mechanical Connection Type

Internal unf boss

Pointer Color

White

Mounting Method

Threaded bezel

Scale Range

0/50000 feet

Scale Smallest Increment Graduation

1000 feet

Special Features

2 inch dial face, anti-reflection coating, 5 vac/dc lighting circuit per mil-l-27160 and mil-l-25467, and instrument case per ms33638

Specification Data

81349-mil-a-25933 government specification and 98810-24194 manufacturers specification

Nondefinitive Specification/std Data

Aau-3a/a type

FSC

6685 Humidity Measuring And Controlling Instruments Temperature Pressure

NIIN

001489729

NSN

6685001489729

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MIL-A-25933

Cage Code:

81349

Status:

MSDS:

Part Number:

AAU-3A/A

Cage Code:

80058

Status:

MSDS:

Part Number:

2109-2A

Cage Code:

26136

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 9025801500
NAICS: 334519
SITC: 87455
Description: Barometers, not combined with other instruments, nesoi
End Use (Code 21610):
Medicinal equipment

Q & A

Frequently asked questions for NSN 6685-00-148-9729

What are the manufacturers of nsn 6685001489729?

Military Specifications (81349)
Joint Electronics Type Designation (80058)
Kearflex Engineering Company (26136)

Does this nsn 6685001489729 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6685001489729
A self-contained aneroid instrument designed specifically for use in a pressurized compartment of an aircraft to provide an indication of pressure in feet altitude.

Does nsn 6685001489729 contain any precious metals?
No precious metal content.

Does nsn 6685001489729 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.

What is the ESD classification of nsn 6685001489729?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

03387

FIIG:

T261-A

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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