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PartsTable / COMPONENT / ZB0344821
ZB0344821 ✓ 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 NIPPLE,SPECIAL is a the manufacturer industrial component. Key specifications include material: ALUMINUM OR STEEL CORROSION RESISTING, end_item_identification: NAVY CODES 66A090003, 66A090004, 66A090005, part_name_assigned_by_controlling_agency: NIPPLE,C/C OIL INLET. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-577-1438, 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
ZB0344821
NSN: 4730-01-577-1438
FSC: 4730
CAGE: Z5411 — ZODIAC MILPRO AUSTRALIA PTY LTD (AUS)
SPECIFICATIONS
materialALUMINUM OR STEEL CORROSION RESISTING
end_item_identificationNAVY CODES 66A090003, 66A090004, 66A090005
part_name_assigned_by_controlling_agencyNIPPLE,C/C OIL INLET
NSN4730-01-577-1438
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ZB0344821 · 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: ALUMINUM OR STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYNIPPLE,C/C OIL INLET
END ITEM IDENTIFICATIONNAVY CODES 66A090003, 66A090004, 66A090005
MATERIALALUMINUM OR STEEL CORROSION RESISTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
3448-21Interchangeable
interchangeable cross-reference
interchangeable
003375-001Interchangeable
interchangeable cross-reference
interchangeable
3375-1Interchangeable
interchangeable cross-reference
interchangeable
0344821Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ZB0344821?
ZB0344821 is a NIPPLE,SPECIAL.
What parts can replace ZB0344821?
There are 4 known substitutes for ZB0344821: 3448-21, 003375-001, 3375-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ZB0344821?
ZB0344821 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-577-1438. 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