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PartsTable / COMPONENT / 30182-4-4
30182-4-4 ✓ 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 SPRING AND SEATS,FUEL PUMP is a the manufacturer industrial component. Key specifications include connection_type: UNTHREADED EXTERNAL HOSE SECOND END, connection_style: PLAIN (PIPE) FIRST END, nominal_thread_size: 0.250 INCHES FIRST END IN, nominal_overall_length: 2.620 INCHES IN, end_item_identification: 3990-01-442-1939 BAP (BRIDGE ADAPTER PALLET), thread_series_designator: NPT FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-152-0128, 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
30182-4-4
NSN: 4730-00-152-0128
FSC: 4730
CAGE: 45681 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV CORPORATE HEADQUARTERS (USA)
SPECIFICATIONS
connection_typeUNTHREADED EXTERNAL HOSE SECOND END
connection_stylePLAIN (PIPE) FIRST END
nominal_thread_size0.250 INCHES FIRST END IN
nominal_overall_length2.620 INCHES IN
end_item_identification3990-01-442-1939 BAP (BRIDGE ADAPTER PALLET)
thread_series_designatorNPT FIRST END
NSN4730-00-152-0128
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 30182-4-4 · 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: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES1/4-18 PIPE THREAD CONNECTION; TOTAL LENGTH OF ADAPTER 1.58 INCHES; 9/16 HEX IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
FMS518Interchangeable
interchangeable cross-reference
interchangeable
4A0521Interchangeable
interchangeable cross-reference
interchangeable
3018-244Interchangeable
interchangeable cross-reference
interchangeable
H1957500Interchangeable
interchangeable cross-reference
interchangeable
19575Interchangeable
interchangeable cross-reference
interchangeable
M 518Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30182-4-4?
30182-4-4 is a SPRING AND SEATS,FUEL PUMP.
What parts can replace 30182-4-4?
There are 11 known substitutes for 30182-4-4: FMS518, 4A0521, 3018-244 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 30182-4-4?
30182-4-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-152-0128. 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