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PartsTable / COMPONENT / P40-433 PIECE 16
P40-433 PIECE 16 ✓ 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 FITTING,SUBASSEMBLY is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-011-6227, 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
P40-433 PIECE 16
NSN: 4730-01-011-6227
FSC: 4730
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
Part NumberP40-433 PIECE 16
NSN4730-01-011-6227
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: P40-433 PIECE 16 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSIST OF 1 PACKING P/N 5017-53,1 BACK UP RING P/N 8212,1 FITTING P/N @31800,1 FLANGE P/N 31806,1 NUT P/N 6229-4,1 PACKING P/N 5017-53,1 TAIL PIECE P/N 6230-4,2 SPLIT RINGS P/N 31805,2 WASHERS P/N 31839T6-2,2 SCREWS P/N 6965
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSIST OF 1 PACKING P/N 5017-53,1 BACK UP RING P/N 8212,1 FITTING P/N @31800,1 FLANGE P/N 31806,1 NUT P/N 6229-4,1 PACKING P/N 5017-53,1 TAIL PIECE P/N 6230-4,2 SPLIT RINGS P/N 31805,2 WASHERS P/N 31839T6-2,2 SCREWS P/N 6965
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
182721Interchangeable
interchangeable cross-reference
interchangeable
82506-17Interchangeable
interchangeable cross-reference
interchangeable
2-6-77-545Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS83248/1Interchangeable
interchangeable cross-reference
interchangeable
54-66-1006BInterchangeable
interchangeable cross-reference
interchangeable
18272Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P40-433 PIECE 16?
P40-433 PIECE 16 is a FITTING,SUBASSEMBLY.
What parts can replace P40-433 PIECE 16?
There are 6 known substitutes for P40-433 PIECE 16: 182721, 82506-17, 2-6-77-545 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P40-433 PIECE 16?
P40-433 PIECE 16 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-011-6227. 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