Home · NSN 01-051-7878
NSN 01-051-7878 — Circuit Breaker
NIIN 01-051-7878 · unit of issue EA · AAC Z (insurance item) · source of supply SMS
NSN 01-051-7878 is the national stock number for a circuit breaker. It cross-references to 11 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 AP112-1R6-1-103. The unit of issue is EA and the FLIS list price is $613.45.
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.
11
part numbers from 3 CAGEs
0
open solicitations, all agencies
0
government buys in 24 months
0
sellers with confirmed stock
Cross-references
Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.
| Part number | CAGE | Manufacturer | Reference | Variation |
|---|---|---|---|---|
| M39019/06-248 | 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-39019/6 | 81349 | Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M | 4 | 1 · Not fully interchangeable |
| M39019-6-57 | 81349 | Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M | 5 · Secondary reference | 9 · Reference only |
| MIL-C-39019/6 | 81349 | Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M | 5 · Secondary reference | 9 · Reference only |
| AP112-1R6-1-103 | 81541 | Sensata Technologies Maryland, Inc | C | 1 · Not fully interchangeable |
| HB3Z2-57 | 74193 | Eaton Corp Heinemann Products Commercial Controls Div | C | 1 · Not fully interchangeable |
| HE3A2-10-2 | 74193 | Eaton Corp Heinemann Products Commercial Controls Div | C | 1 · Not fully interchangeable |
| HE3Z7-57 | 74193 | Eaton Corp Heinemann Products Commercial Controls Div | C | 1 · Not fully interchangeable |
| SM333HK10-250VAC60C2 | 74193 | Eaton Corp Heinemann Products Commercial Controls Div | C | 1 · Not fully interchangeable |
| M39019-6-59 | 81349 | Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M | E | 8 |
| MS39019/06-248 | 81349 | Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M | E | 8 |
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 AP112-1R6-1-103.
Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.
DLA management data
- FLIS unit price
- $613.45
- Unit of issue
- EA
- Acquisition advice
- Z — Insurance item
- Source of supply
- SMS
- Effective
- Oct 1, 2025
Item characteristics
- Thread Pitch Diameters
- INCHES 0.3503 TO 0.3537
- Bushing Length
- INCHES NOMINAL 0.330
- Body Length
- INCHES MAXIMUM 1.562
- Body Width
- INCHES MAXIMUM 1.937
- Center To Center Distance Between Terminals Parallel To Length
- INCHES MAXIMUM 0.906
- Center To Center Distance Between Terminals Parallel To Width
- INCHES NOMINAL 0.625
- Switch Contact Arrangement
- SINGLE POLE, DOUBLE THROW
- Fragility Factor
- MODERATELY RUGGED
- Mounting Surface To Terminal End Distance
- INCHES MAXIMUM 1.828
- Pole Quantity
- 3
- Arc Quenching Method
- MAGNETIC BLOWOUT
- Mounting Facility Type And Quantity
- THREADED BUSHING WITH PANEL SEAL 1
- Storage Type
- GENERAL PURPOSE WAREHOUSE
- Special Handling Feature
- MAGNETIC
- Thread Quantity Per Inch
- 32
- Maximum Continuous Load Current Rating Per Pole
- ALL LOCATIONS AMPERES AC 10.0 AND AMPERES DC 10.0
- Operating Voltage Type And Rating Per Pole In Volts
- ALL LOCATIONS AC 240.0 AND DC 50.0
- Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
- ALL LOCATIONS AC 300.0 AND DC 500.0
- Circuit Protection Type
- ALL LOCATIONS OVERCURRENT
- Trip Release Method
- ALL LOCATIONS MAGNETIC
- Trip Release Characteristic
- ALL LOCATIONS TIME DELAY
- Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
- 115.0
- Reset Method
- MANUAL
- Main Contact Tripping Mechanism Type
- TRIP FREE
Related stock numbers
Other NSNs filed under the same part numbers.
- 00-107-2687 · Circuit Breaker
- 00-107-2688 · Circuit Breaker
- 00-404-9035 · Circuit Breaker
- 01-018-5651 · Circuit Breaker
- 01-019-5134 · Circuit Breaker
- 01-019-5135 · Circuit Breaker
- 01-019-8466 · Circuit Breaker
- 01-036-6026 · 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.
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