Home · NSN 01-319-4500

NSN 01-319-4500 — Circuit Breaker

NIIN 01-319-4500 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 01-319-4500 is the national stock number for a circuit breaker. It cross-references to 6 manufacturer part numbers from 3 CAGE codes, including Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M, Sensata Technologies Maryland, Inc, Eaton Corp Heinemann Products Commercial Controls Div; the primary is AP12-M39019/03-303. The unit of issue is EA and the FLIS list price is $676.54.

No government purchase of this stock number is on our record yet. No seller has confirmed stock of it here in the last 30 days; watching the number is free and the first listing triggers an alert.

part numbers from 3 CAGEs

open solicitations, all agencies

government buys in 24 months

sellers with confirmed stock

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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part number	CAGE	Manufacturer	Reference	Variation
M39019/03-303	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	2 · Item ident. reference	2 · Fully interchangeable
MIL-PRF-39019/3	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	4	1 · Not fully interchangeable
AP12-M39019/03-303	81541	Sensata Technologies Maryland, Inc	5 · Secondary reference	1 · Not fully interchangeable
HM2-Z03-303	74193	Eaton Corp Heinemann Products Commercial Controls Div	5 · Secondary reference	9 · Reference only
M39019/01-303	81541	Sensata Technologies Maryland, Inc	5 · Secondary reference	9 · Reference only
MIL-C-39019/03	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only

Government demand

Nothing open right now. Watch this NSN and we will email you when it is solicited.

What the government paid

No government purchase on record for this NSN.

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices.

Sellers with confirmed stock

No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on AP12-M39019/03-303.

Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price: $676.54
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Body Length: INCHES MAXIMUM 1.562
Body Width: INCHES MAXIMUM 1.281
Center To Center Distance Between Terminals Parallel To Width: INCHES NOMINAL 0.625
Mounting Surface To Terminal End Distance: INCHES MAXIMUM 1.828
Pole Quantity: 2
Maximum Continuous Load Current Rating Per Pole: ALL LOCATIONS AMPERES AC 0.1 AND AMPERES DC 0.1
Operating Voltage Type And Rating Per Pole In Volts: ALL LOCATIONS AC 240.0 AND DC 50.0
Manual Actuator Type And Quantity: TOGGLE 1
Frequency In Hertz: 60.0 OR 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
Terminal Type And Quantity: WIRE HOOK 4

Related stock numbers

Other NSNs filed under the same part numbers.

00-603-7002 · Circuit Breaker
01-018-6843 · Circuit Breaker
01-020-1748 · Circuit Breaker
01-028-1717 · Circuit Breaker
01-028-6504 · Circuit Breaker
01-034-9175 · Circuit Breaker
01-034-9177 · Circuit Breaker
01-037-5866 · Circuit Breaker

About this page

An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.