Circuit Breaker P/N MS26574-7-1/2

Specifications

Internal trip release configuration

Single Location Series Trip

Nominal thread size

Inches 0.438

Actuator function

Trip-Reset

Actuator position designation

AT Pole One

Specification/standard data

Government Specification 96906--S26574-7-1 to 2

Circuit protection type

Single Location Overcurrent

Trip release method

Single Location Thermal

Trip release characteristic

Single Location Time Delay

Ultimate trip rating of continuous current rating per pole in percent

145.0

Reset method

Manual

Main contact tripping mechanism type

Trip Free

Frequency in hertz

400.0

Test data document

Specification (Includes Engineering Type Bulletins, Brochures,Etc., That Reflect Specification Type Data in Specification Format; Excludes Commercial Catalogs, Industry Directories, and Similar Trade Publications, Reflecting General Type Data on Certain Environmental and Performance Requirements and Test Conditions That Are Shown AS "Typical", "Average", "Nominal", Etc.). 81349--IL-C-5809

Bushing length

0.381–0.780 in

Body width

0.580 in maximum

Manual actuator type and quantity

Push-Pull 1

Trip delay time in seconds per rated continuous current

Single Location Minimum AT 200 Pct 2.000 and Maximum AT 200 Pct 20.000

Unpackaged unit weight

0.066 lb (nominal)

Maximum continuous load current rating per pole

Single Location Amperes AC 7.5 and Amperes DC 7.5

Operating voltage type and rating per pole in volts

Single Location AC 115.0 and DC 28.0

Maximum interrupting capacity current type and rating per pole in amps

Single Location AC 500.0 and DC 2000.0

Storage type

General Purpose Warehouse

Thread quantity per inch

32

Mounting facility type and quantity

Threaded Bushing with Panel Seal 1

Mounting surface to terminal end distance

1.420 in maximum

Pole quantity

1

Thread series designator

Uns

Terminal type and quantity

Tab W/screw 2

Inclosure protection type for which designed

Shock Resistant and Vibration Resistant

Trip release ambient temp rating

Single Location Celsius Nominal 25.0

From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.

Cross-reference part numbers

MS26574-7-1/2 SAE-AS58091 972.55.18.518 MS26574-7.5 AS58091 AS26574 MIL-C-5809 MS26574-7 MS26574-1-2

Also referenced as

7274-2-7 1/2 525425 5749067-117 7274-4-7-5 7274-2-7-5 MS26574ASG71-2

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.

Shown for identification only. SECO can quote against any of these numbers.

Logistics data

Source of supply	SMS DLA Land and Maritime, Columbus, Ohio
Acquisition advice code	Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 2 on the shelf
Unit of issue	EA each
Demilitarization code	A Demilitarization not required — non-munitions-list item
Controlled inventory code	U Unclassified
Hazardous material indicator	P No HMIS record; MSDS may apply by end use

Source: public FLIS/PUB LOG cataloging data.

Why buy from SECO

These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.

In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered

FAQ

What is NSN 5925-00-988-6837?
NSN 5925-00-988-6837 (5925009886837) — Circuit Breaker: SECO Parts has 2 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for circuit breaker in federal supply class 5925 (Circuit Breakers).

Is NSN 5925-00-988-6837 available?
SECO Parts has 2 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5925-00-988-6837 cost?
SECO typically prices parts like NSN 5925-00-988-6837 at $35–$70 each: an estimate from the government catalog price and what SECO has charged for similar parts. It is not a quote — request one for your price, usually answered the same business day. Quote lines carry a $50 minimum.

What part numbers cross-reference to NSN 5925-00-988-6837?
Part numbers that cross-reference this NSN include MS26574-7-1/2, SAE-AS58091, 972.55.18.518, MS26574-7.5, AS58091, AS26574, MIL-C-5809, MS26574-7. It is also referenced by older, superseded or advisory numbers: 7274-2-7 1/2, 525425, 5749067-117, 7274-4-7-5, 7274-2-7-5, MS26574ASG71-2. SECO can quote against any of them.