PartsTable
Technical Data Sheet
R1945 ✓ 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 RESTRICTOR,FLUID FLOW is a the manufacturer industrial component. Key specifications include length: 0.620 INCHES NOMINAL IN, material: STEEL, design_type: TUBULAR, orifice_diameter: 0.297 INCHES NOMINAL IN, outside_diameter: 0.468 INCHES NOMINAL IN, special_features: 0.060 IN. H OF FLANGE ON LEFT END;0.030 IN.

BY 45 DEG CHAMFER ON EXTERNAL RIGHT END;0.060 IN. OD OF FLANGE IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-842-1945, 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
R1945
NSN: 4730-00-842-1945
FSC: 4730
CAGE: 16343 — D-K MFG CO (USA)
SPECIFICATIONS
length0.620 INCHES NOMINAL IN
materialSTEEL
design_typeTUBULAR
orifice_diameter0.297 INCHES NOMINAL IN
outside_diameter0.468 INCHES NOMINAL IN
special_features0.060 IN. H OF FLANGE ON LEFT END;0.030 IN. BY 45 DEG CHAMFER ON EXTERNAL RIGHT END;0.060 IN. OD OF FLANGE IN
thread_provisionUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
NSN4730-00-842-1945
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: R1945 · 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
ORIFICE DIAMETER: 0.297 INCHES NOMINAL IN
DESIGN TYPE: TUBULAR
THREAD PROVISION: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED
MATERIAL: STEEL
OUTSIDE DIAMETER: 0.468 INCHES NOMINAL IN
LENGTH: 0.620 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ORIFICE DIAMETER0.297 INCHES NOMINAL IN
SPECIAL FEATURES0.060 IN. H OF FLANGE ON LEFT END;0.030 IN. BY 45 DEG CHAMFER ON EXTERNAL RIGHT END;0.060 IN. OD OF FLANGE IN
DESIGN TYPETUBULAR
THREAD PROVISIONUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
MATERIALSTEEL
OUTSIDE DIAMETER0.468 INCHES NOMINAL IN
LENGTH0.620 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
51595Interchangeable
interchangeable cross-reference
interchangeable
SM-B-186884Interchangeable
interchangeable cross-reference
interchangeable
51595AInterchangeable
interchangeable cross-reference
interchangeable
1S2-25CInterchangeable
interchangeable cross-reference
interchangeable
235-030-0008Interchangeable
interchangeable cross-reference
interchangeable
10-104-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R1945?
R1945 is a RESTRICTOR,FLUID FLOW.
What parts can replace R1945?
There are 7 known substitutes for R1945: 51595, SM-B-186884, 51595A and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R1945?
R1945 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-842-1945. This indicates validated use in U.S. government and defense supply chains.
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