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Technical Data Sheet
PartsTable / COMPONENT / P1937B
P1937B ✓ 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

The MANIFOLD,AIR LINE is a the manufacturer industrial component. Key specifications include material: IRON, 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
P1937B
NSN: 4730-00-283-3288
FSC: 4730
CAGE: 11568 — GARDNER DENVER INC. (USA)
SPECIFICATIONS
materialIRON
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: P1937B · 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 3
NR2BInterchangeable
interchangeable cross-reference
interchangeable
A3409Interchangeable
interchangeable cross-reference
interchangeable
A3871Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P1937B?
P1937B is a MANIFOLD,AIR LINE.
What parts can replace P1937B?
There are 3 known substitutes for P1937B: NR2B, A3409, A3871. Substitute compatibility should be verified for your specific system.
Is P1937B still available?
P1937B 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