NSN 520A202

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

reset actuator function, magnetic blowout arc quenching method, hermetically sealed inclosure protection type for which designed, overcurrent single location circuit protection type, 400.0 single location frequency in hertz.

NSN 5925-00-690-5974 Datasheet

(NSN) National Stock Number

5925-00-690-5974

(FSG) Federal Supply Group

59 - Electrical and Electronic Equipment Components

(FSC) Federal Supply Classification

5925 - Circuit Breakers

(NIIN) National Item Identification Number

00-690-5974

Requires Demilitarization

Yes

(INC) Item Name Code

00136

Date

Sun, Jan 1, 1961

Schedule B Code

8536200040

Actuator Function

reset

Arc Quenching Method

magnetic blowout

Circuit Protection Type

overcurrent single location

Frequency In Hertz

400.0 single location

Inclosure Protection Type For Which Designed

hermetically sealed

Main Contact Tripping Mechanism Type

trip free

Manual Actuator Type And Quantity

1 toggle

Maximum Continuous Load Current Rating Per Pole

2.0 amperes ac single location

Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps

500.0 ac single location

Mounting Facility Type And Quantity

1 threaded bushing

Nominal Thread Size

0.375 inches

Operating Voltage Type And Rating Per Pole In Volts

120.0 ac single location

Overall Height

2.570 inches nominal

Overall Length

1.750 inches nominal

Overall Width

0.630 inches nominal

Pole Quantity

1

Reset Method

manual

Terminal Type And Quantity

2 wire hook

Thread Quantity Per Inch

32

Thread Series Designator

unef

Trip Release Characteristic

time delay single location

Trip Release Method

magnetic single location

Trip Delay Time In Seconds Per Rated Continuous Current

0.150 minimum at 200 pct and 0.800 maximum at 200 pct and 0.050 minimum at 300 pct and 0.370 maximum at 300 pct and 0.010 minimum at 400 pct and 0.190 maximum at 400 pct single location

Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent

125.0 single location

Identification

Demilitarization Code

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.

Precious Metals Indicator

U - Precious metal content is unknown

Hazardous Metals Indicator

P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

Source of Supply Code

S9E - Defense supply center columbus, columbus, oh 43218

Pseudo Item Name Code

0000136

Cross Reference

CAGE Codes

10001

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier

U.s./canadian manufacturers

81541

Sensata Technologies Maryland, Inc

Non-manufacturers

88818

Kearfott Corporation Div Guidance and Navigation Division

U.s./canadian manufacturers

Freight Information

Air Commodity

HZ -

Air Dimension

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Less than Carload Rating

P - 77.5

National Motor Freight Class Rating

M - 85.0

Special Handling

9 - Other or no special handling required (sh)

Type of Cargo

Z - No special type of cargo code applicable

Uniform Freight Classification Item Number

34430

Water Commodity

658 - Electrical appliances, small

National Motor Freight Classification Item Number

061360

Schedule B & Trade

Schedule B

8536-20-0040

Description

automatic circuit breakers, for a voltage not exceeding 1,000 v, nesoi

End Use

20005 - Electric apparatus

Unit of Quantity

NO

USDA

Yes

(SITC) Standard International Trade Classification

77252

(NAICS) North American Industrial Classification System

335313

Questions & Answers

1. What is the FSCG of the NSN 5925-00-690-5974?

   The FSCG of the NSN 5925-00-690-5974 is 5925

2. Does the NSN 5925-00-690-5974 have a Schedule B code assigned?

   Yes, the Schedule B code is 8536200040

3. Does NSN 5925-00-690-5974 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.

4. Does NSN 5925-00-690-5974 contain precious materials?

   Precious metal content is unknown

5. Does NSN 5925-00-690-5974 contain hazardous materials?

   Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

6. When the NSN 5925-00-690-5974 was assigned to the Federal Catalog?

   It was assigned 65 years ago, on Sun, Jan 1, 1961