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Technical Data Sheet
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NR2B ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include material: IRON, mounting_type: TRAILER, condenser_cooling_type: AIR, outlet_connection_thread_size_and_series/type_designator_and_location: 15/16-16 UNIFIED NATIONAL COARSE (UNC) INTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-283-3288, 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
NR2B
NSN: 4730-00-283-3288
FSC: 4730
CAGE: 11568 — GARDNER DENVER INC. (USA)
SPECIFICATIONS
materialIRON
mounting_typeTRAILER
condenser_cooling_typeAIR
inlet_connection_quantity1
outlet_connection_quantity1
outlet_connection_thread_size_and_series/type_designator_and_location15/16-16 UNIFIED NATIONAL COARSE (UNC) INTERNAL
NSN4730-00-283-3288
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: NR2B · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: IRON
•
OUTLET CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR AND LOCATION: 15/16-16 UNIFIED NATIONAL COARSE (UNC) INTERNAL
•
OUTLET CONNECTION QUANTITY: 1
•
INLET CONNECTION QUANTITY: 1
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALIRON
OUTLET CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR AND LOCATION15/16-16 UNIFIED NATIONAL COARSE (UNC) INTERNAL
OUTLET CONNECTION QUANTITY1
INLET CONNECTION QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
NR2BInterchangeable
interchangeable cross-reference
interchangeable
A3409Interchangeable
interchangeable cross-reference
interchangeable
A3871Interchangeable
interchangeable cross-reference
interchangeable
P1937BInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NR2B?
NR2B is a TRANSFORMER,POWER AUTOTRANSFORME.
What parts can replace NR2B?
There are 4 known substitutes for NR2B: NR2B, A3409, A3871 and 1 more. Substitute compatibility should be verified for your specific system.
Is NR2B still available?
NR2B is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026