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Technical Data Sheet
PartsTable / MRO / A-A-2070
A-A-2070 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Stranded for flexible routing, solid for conduit THHN/THWN dual-rated — check both tables
Ampacity depends on installation method
PRODUCT OVERVIEW

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include base_style: THREE CONTACT MEDIUM SCREW, bulb_style: T (TUBULAR), overall_length: 5.312 INCHES MAXIMUM IN, voltage_rating: 115.000 VOLTS NOMINAL, wattage_rating: 50.000 WATTS, bulb_designator: T-12. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-046-1810, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ A-A-2070
NSN: 6145-00-046-1810
FSC: 6145
CAGE: 68999 — TIMES MICROWAVE SYSTEMS, INC DBA TIMES MICROWAVE SYSTEMS INC DIV TIMES MICROWAVE SYSTEMS (USA)
SPECIFICATIONS
base_styleTHREE CONTACT MEDIUM SCREW
bulb_styleT (TUBULAR)
overall_length5.312 INCHES MAXIMUM IN
voltage_rating115.000 VOLTS NOMINAL
wattage_rating50.000 WATTS
bulb_designatorT-12
burning_positionBASE DOWN
rated_average_lifeHOURS
light_center_length3.000 INCHES NOMINAL IN
light_output_rating375.000 LUMENS NOMINAL SINGLE RATING
filament_designationC-5/C-9
average_life_rating_in_hours750.0
NSN6145-00-046-1810
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: A-A-2070 · OEM ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
50-50T12Interchangeable
interchangeable cross-reference
interchangeable
50-50T12-115VInterchangeable
interchangeable cross-reference
interchangeable
6240PL1338029Interchangeable
interchangeable cross-reference
interchangeable
GC875GN1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-A-2070?
A-A-2070 is a NUT,SELF-LOCKING,EXTENDED WASHER. It is classified as a MRO (MRO_GENERAL).
What parts can replace A-A-2070?
There are 4 known substitutes for A-A-2070: 50-50T12, 50-50T12-115V, 6240PL1338029 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-2070?
A-A-2070 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-046-1810. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026