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9R2028 ✓ 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,ONE WAY is a the manufacturer industrial component. Key specifications include width: 12.000 INCHES NOMINAL IN, length: 36.000 INCHES NOMINAL IN, material: ALUMINUM OR STEEL CASE, thickness: 0.188 INCHES NOMINAL IN, assembly_form: ENCASED, overall_width: 2.500 INCHES NOMINAL 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 4730-00-945-6805, 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
9R2028
NSN: 4730-00-945-6805
FSC: 4730
CAGE: 99240 — CRISSAIR INC DIV ESCO TECHNOLOGIES (USA)
SPECIFICATIONS
width12.000 INCHES NOMINAL IN
length36.000 INCHES NOMINAL IN
materialALUMINUM OR STEEL CASE
thickness0.188 INCHES NOMINAL IN
assembly_formENCASED
overall_width2.500 INCHES NOMINAL IN
inclosure_typeOPEN
overall_height4.810 INCHES NOMINAL IN
overall_length4.000 INCHES MAXIMUM IN
mounting_methodPLUG-IN
overall_diameter1.500 INCHES MAXIMUM IN
end_item_identification1660006074740
NSN4730-00-945-6805
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 9R2028 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
69-727-1Interchangeable
interchangeable cross-reference
interchangeable
TRA1251Interchangeable
interchangeable cross-reference
interchangeable
24749Interchangeable
interchangeable cross-reference
interchangeable
HHC576TYPE1BCLASS2Interchangeable
interchangeable cross-reference
interchangeable
24749-01Interchangeable
interchangeable cross-reference
interchangeable
8148650Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9R2028?
9R2028 is a RESTRICTOR,ONE WAY.
What parts can replace 9R2028?
There are 8 known substitutes for 9R2028: 69-727-1, TRA1251, 24749 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9R2028?
9R2028 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-945-6805. 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