Home · NSN 01-468-6257

NSN 01-468-6257 — Circuit Breaker

NIIN 01-468-6257 · unit of issue EA · AAC Y (terminal item, replaced) · source of supply SMS

NSN 01-468-6257 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 M55629/17MPMPMP. The unit of issue is EA and the FLIS list price is $462.92.

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 1 CAGE

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government buys in 24 months

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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
M55629/17MPMPMP	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-C-55629/17	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	4	1 · Not fully interchangeable
MIL-C-55629B	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 M55629/17MPMPMP.

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

DLA management data

FLIS unit price: $462.92
Unit of issue: EA
Acquisition advice: Y — Terminal item, replaced
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Body Length: INCHES MINIMUM 5.115 AND INCHES MAXIMUM 5.135
Body Width: INCHES MINIMUM 3.098 AND INCHES MAXIMUM 3.118
Center To Center Distance Between Terminals Parallel To Length: INCHES MINIMUM 3.480 AND INCHES MAXIMUM 3.614
Center To Center Distance Between Terminals Parallel To Width: INCHES MINIMUM 0.994 AND INCHES MAXIMUM 1.056
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length: INCHES MINIMUM 2.740 AND INCHES MAXIMUM 2.760
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width: INCHES MINIMUM 2.042 AND INCHES MAXIMUM 2.062
End Item Identification: 5865-01-437-4914
Boss Height: INCHES MINIMUM 0.210 AND INCHES MAXIMUM 0.230
Mounting Surface To Terminal End Distance: INCHES MINIMUM 3.460 AND INCHES MAXIMUM 3.580
Pole Quantity: 3
Mounting Facility Type And Quantity: THREADED HOLE(S) 4
Maximum Continuous Load Current Rating Per Pole: ALL LOCATIONS AMPERES AC 60.0
Operating Voltage Type And Rating Per Pole In Volts: ALL LOCATIONS AC 240.0
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps: ALL LOCATIONS AC 60.0
Circuit Protection Type: ALL LOCATIONS OVERCURRENT
Trip Release Method: ALL LOCATIONS THERMAL
Trip Release Characteristic: ALL LOCATIONS TIME DELAY
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent: 125.0
Reset Method: MANUAL
Main Contact Tripping Mechanism Type: TRIP FREE
Internal Trip Release Configuration: ALL LOCATIONS RELAY TRIP
Nominal Thread Size: INCHES 0.138
Trip Delay Time In Seconds Per Rated Continuous Current: ALL LOCATIONS MINIMUM AT 125 PCT 13.000 AND MAXIMUM AT 150 PCT 90.000
Trip Release Ambient Temp Rating: ALL LOCATIONS CELSIUS NOMINAL 40.0

Related stock numbers

Other NSNs filed under the same part numbers.

01-375-3455 · Circuit Breaker
01-393-7918 · Circuit Breaker
01-398-8244 · Circuit Breaker
01-413-5679 · Circuit Breaker
01-414-9143 · Circuit Breaker
01-431-1409 · Circuit Breaker
01-436-2462 · Circuit Breaker
01-436-2463 · 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.