PartsTable
Technical Data Sheet
20-2L4 ✓ 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 COUPLING,TUBE 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 4730-01-561-9372, 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
20-2L4
NSN: 4730-01-561-9372
FSC: 4730
CAGE: 07097 — GRACO HIGH PRESSURE EQUIPMENT INC. DBA HIGH PRESSURE EQUIPMENT COMPANY (USA)
SPECIFICATIONS
special_featuresCOLLAR,TUBE. COLLAR TUBE SIZE 1/4 INCH I.D, O.D. 3/8 INCH BY 7/32 INCH LONG. MATERIAL IS 316 HIGH TENSILE STAINLESS STEEL. END ITEM,GAS PRESSURE CONTROLLER-NSN 6685-01-529-6990. IN
NSN4730-01-561-9372
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 20-2L4 · 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESCOLLAR,TUBE. COLLAR TUBE SIZE 1/4 INCH I.D, O.D. 3/8 INCH BY 7/32 INCH LONG. MATERIAL IS 316 HIGH TENSILE STAINLESS STEEL. END ITEM,GAS PRESSURE CONTROLLER-NSN 6685-01-529-6990. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
101200Interchangeable
interchangeable cross-reference
interchangeable
ID663UInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-2L4?
20-2L4 is a COUPLING,TUBE.
What parts can replace 20-2L4?
There are 2 known substitutes for 20-2L4: 101200, ID663U. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-2L4?
20-2L4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-561-9372. This indicates validated use in U.S. government and defense supply chains.
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