Home · NSN 01-321-7178
NSN 01-321-7178 — Circuit Breaker
NIIN 01-321-7178 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS
NSN 01-321-7178 is the national stock number for a circuit breaker. It cross-references to 4 manufacturer part numbers from 4 CAGE codes, including Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M, Itt Industries Inc Itt Aerospace Communications Div East, Eaton Corp Heinemann Products Commercial Controls Div; the primary is 1135758G4. The unit of issue is EA and the FLIS list price is $33.94.
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.
4
part numbers from 4 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 |
|---|---|---|---|---|
| M55629/1-306 | 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-55629/1 | 81349 | Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M | 4 | 1 · Not fully interchangeable |
| 1135758G4 | 28528 | Itt Industries Inc Itt Aerospace Communications Div East | 5 · Secondary reference | 9 · Reference only |
| 1135758G4 | 74193 | Eaton Corp Heinemann Products Commercial Controls Div | 5 · Secondary reference | 9 · Reference only |
| 1135758G4 | 81541 | Sensata Technologies Maryland, Inc | 5 · Secondary reference | 9 · Reference only |
| AM1-Z313-1 | 74193 | Eaton Corp Heinemann Products Commercial Controls Div | 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 1135758G4.
Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.
DLA management data
- FLIS unit price
- $33.94
- Unit of issue
- EA
- Acquisition advice
- J — Not stocked, central procurement
- Source of supply
- SMS
- Effective
- Oct 1, 2025
Item characteristics
- Body Length
- INCHES MINIMUM 2.490 AND INCHES MAXIMUM 2.510
- Body Width
- INCHES MINIMUM 0.740 AND INCHES MAXIMUM 0.760
- Center To Center Distance Between Terminals Parallel To Length
- INCHES MINIMUM 1.928 AND INCHES MAXIMUM 1.948
- Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
- INCHES MINIMUM 2.052 AND INCHES MAXIMUM 2.072
- Fragility Factor
- MODERATELY RUGGED
- Boss Height
- INCHES MINIMUM 0.130 AND INCHES MAXIMUM 0.150
- Mounting Surface To Terminal End Distance
- INCHES NOMINAL 2.611
- Pole Quantity
- 1
- Arc Quenching Method
- MAGNETIC BLOWOUT
- Mounting Facility Type And Quantity
- THREADED HOLE(S) 2
- Storage Type
- GENERAL PURPOSE WAREHOUSE
- Thread Quantity Per Inch
- 32
- Maximum Continuous Load Current Rating Per Pole
- SINGLE LOCATION AMPERES AC 2.5
- Operating Voltage Type And Rating Per Pole In Volts
- SINGLE LOCATION AC 250.0
- Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
- SINGLE LOCATION AC 1000.0
- Circuit Protection Type
- SINGLE LOCATION OVERCURRENT
- Trip Release Method
- SINGLE LOCATION MAGNETIC
- Trip Release Characteristic
- SINGLE LOCATION TIME DELAY
- Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
- 150.0
- Reset Method
- MANUAL
- Main Contact Tripping Mechanism Type
- TRIP FREE
- Manual Actuator Type And Quantity
- TOGGLE 1
- Actuator Function
- TRIP-RESET
- Actuator Position Designation
- AT POLE ONE
Related stock numbers
Other NSNs filed under the same part numbers.
- 00-035-4126 · Circuit Breaker
- 00-038-5894 · Circuit Breaker
- 00-049-2072 · Circuit Breaker
- 00-107-4230 · Circuit Breaker
- 00-108-5385 · Circuit Breaker
- 00-142-0752 · Circuit Breaker
- 00-161-9167 · Circuit Breaker
- 00-163-6982 · 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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