Home · NSN 01-545-0437

NSN 01-545-0437 — Circuit Breaker

NIIN 01-545-0437 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 01-545-0437 is the national stock number for a circuit breaker. It cross-references to 3 manufacturer part numbers from 1 CAGE code, including Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M; the primary is M39019/01. The unit of issue is EA and the FLIS list price is $174.38.

No government purchase of this stock number is on our record yet. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.

part numbers from 1 CAGE

open solicitations, all agencies

government buys in 24 months

sellers with confirmed stock

Know someone who should see this?

Cross-references

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

Part number	CAGE	Manufacturer	Reference	Variation
M39019/01-331S	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-39019/1	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	4	1 · Not fully interchangeable
M39019/01	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 M39019/01.

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

DLA management data

FLIS unit price: $174.38
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Bushing Length: INCHES NOMINAL 0.332
Body Length: INCHES NOMINAL 1.562
Body Width: INCHES NOMINAL 0.625
Center To Center Distance Between Terminals Parallel To Length: INCHES NOMINAL 0.906
End Item Identification: LAUNCHING STATION GUIDED MISSLES NSN 1440-01-087-9844
Mounting Surface To Terminal End Distance: INCHES NOMINAL 1.810
Pole Quantity: 1
Mounting Facility Type And Quantity: THREADED BUSHING WITH PANEL SEAL 1
Maximum Continuous Load Current Rating Per Pole: SINGLE LOCATION AMPERES AC 9.0 AND AMPERES DC 9.0
Operating Voltage Type And Rating Per Pole In Volts: SINGLE LOCATION AC 240.0 AND DC 50.0
Trip Release Method: SINGLE LOCATION MAGNETIC
Trip Release Characteristic: SINGLE LOCATION TIME DELAY
Nominal Thread Size: INCHES 0.375
Part Name Assigned By Controlling Agency: CIRCUIT BREAKER LOW POWER SEALED
Special Features: VOLTAGE AND FREQUENCY RATING 50 V DC, MAXIMUM AND 240 V AC MAXIMUM AT 60 HZ AND 400 HZ HIGH INRUSH 800 PERCENT AT 60 HZ AND DC, 1,400 PERCENT AT 400 HZ
Thread Series Designator: UNEF

Related stock numbers

Other NSNs filed under the same part numbers.

01-019-9703 · Circuit Breaker
01-024-4153 · Circuit Breaker
01-026-8525 · Circuit Breaker
01-031-4861 · Circuit Breaker
01-034-9181 · Circuit Breaker
01-036-6628 · Circuit Breaker
01-037-0466 · Circuit Breaker
01-037-3324 · 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.