Home · NSN 01-038-3944
NSN 01-038-3944 — Circuit Breaker
NIIN 01-038-3944 · unit of issue EA · AAC Z (insurance item) · source of supply SMS
NSN 01-038-3944 is the national stock number for a circuit breaker. It cross-references to 9 manufacturer part numbers from 3 CAGE codes, including Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M, Radio Frequency Systems Inc, Sensata Technologies Maryland, Inc; the primary is AP-1-1R-51-502. The unit of issue is EA and the FLIS list price is $192.04.
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.
9
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 |
|---|---|---|---|---|
| M39019/02-230 | 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-39019/2 | 81349 | Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M | 4 | 1 · Not fully interchangeable |
| M39019/2-47 | 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-39019/2 | 81349 | Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M | 5 · Secondary reference | 9 · Reference only |
| AP-1-1R-51-502 | 71628 | Radio Frequency Systems Inc | C | 1 · Not fully interchangeable |
| M39019 | 81349 | Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M | C | 1 · Not fully interchangeable |
| M39019/2-230 | 81349 | Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M | C | 1 · Not fully interchangeable |
| AP1-1R5-1-502 | 81541 | Sensata Technologies Maryland, Inc | E | 8 |
| M39019-2-41 | 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 AP-1-1R-51-502.
Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.
DLA management data
- FLIS unit price
- $192.04
- Unit of issue
- EA
- Acquisition advice
- Z — Insurance item
- Source of supply
- SMS
- Effective
- Oct 1, 2025
Item characteristics
- Bushing Length
- INCHES MINIMUM 0.332 AND INCHES MAXIMUM 0.380
- Body Length
- INCHES MINIMUM 1.531 AND INCHES MAXIMUM 1.562
- Body Width
- INCHES MINIMUM 0.594 AND INCHES MAXIMUM 0.625
- Center To Center Distance Between Terminals Parallel To Length
- INCHES MINIMUM 0.875 AND INCHES MAXIMUM 0.906
- Switch Contact Arrangement
- SINGLE POLE, DOUBLE THROW
- Fragility Factor
- MODERATELY RUGGED
- Mounting Surface To Terminal End Distance
- INCHES MINIMUM 1.669 AND INCHES MAXIMUM 1.700
- Pole Quantity
- 1
- Mounting Facility Type And Quantity
- THREADED BUSHING WITH PANEL SEAL 1
- Storage Type
- GENERAL PURPOSE WAREHOUSE
- Thread Quantity Per Inch
- 32
- Maximum Continuous Load Current Rating Per Pole
- SINGLE LOCATION AMPERES AC 5.0 AND AMPERES DC 5.0
- Operating Voltage Type And Rating Per Pole In Volts
- SINGLE LOCATION AC 240.0 AND DC 50.0
- Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
- SINGLE LOCATION AC 300.0 AND DC 500.0
- 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
- 125.0
- 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
- Auxiliary Switch Function And Quantity
- ALARM 1
Related stock numbers
Other NSNs filed under the same part numbers.
- 00-106-6984 · Circuit Breaker
- 00-107-2685 · Circuit Breaker
- 00-135-6136 · Circuit Breaker
- 00-252-4209 · Circuit Breaker
- 00-369-7747 · Circuit Breaker
- 00-824-7618 · Circuit Breaker
- 01-035-6578 · Circuit Breaker
- 01-036-7398 · 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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