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PartsTable / COMPONENT / 201-122 ITEM 4
201-122 ITEM 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 ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-039-1222, 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
201-122 ITEM 4
NSN: 4730-01-039-1222
FSC: 4730
CAGE: 52032 — BIOMARINE INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
NSN4730-01-039-1222
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 201-122 ITEM 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 CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
7025392Interchangeable
interchangeable cross-reference
interchangeable
400200-1Interchangeable
interchangeable cross-reference
interchangeable
9400-1Interchangeable
interchangeable cross-reference
interchangeable
4002-21Interchangeable
interchangeable cross-reference
interchangeable
1142000-21Interchangeable
interchangeable cross-reference
interchangeable
MS17398-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 201-122 ITEM 4?
201-122 ITEM 4 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 201-122 ITEM 4?
There are 24 known substitutes for 201-122 ITEM 4: 7025392, 400200-1, 9400-1 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 201-122 ITEM 4?
201-122 ITEM 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-039-1222. 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