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PartsTable / COMPONENT / GROUP I SIXE 3/4-16L1
GROUP I SIXE 3/4-16L1 ✓ 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 GROUP I SIXE 3/4-16L1 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 4730-00-928-4526, 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
GROUP I SIXE 3/4-16L1
NSN: 4730-00-928-4526
FSC: 4730
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
Part NumberGROUP I SIXE 3/4-16L1
NSN4730-00-928-4526
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: GROUP I SIXE 3/4-16L1 · 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 DOCUMENT AND CLASSIFICATION: QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 2.000 INCHES SECOND END IN
•
CONNECTION TYPE: THREADED EXTERNAL HOSE SECOND END
•
MATERIAL: NICKEL ALLOY A OVERALL
•
THREAD QUANTITY PER INCH: 12 SECOND END
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 1.000 INCHES FIRST END IN
•
THREAD SERIES DESIGNATOR: UN SECOND END
•
CRITICALITY CODE JUSTIFICATION: ZZZY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE2.000 INCHES SECOND END IN
CONNECTION TYPETHREADED EXTERNAL HOSE SECOND END
MATERIALNICKEL ALLOY A OVERALL
THREAD QUANTITY PER INCH12 SECOND END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED1.000 INCHES FIRST END IN
THREAD SERIES DESIGNATORUN SECOND END
CRITICALITY CODE JUSTIFICATIONZZZY
NOMINAL OVERALL LENGTH4.000 INCHES IN
CONNECTION STYLEGRIPPING NIPPLE (NOSE) FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
4-190909Interchangeable
interchangeable cross-reference
interchangeable
4-190909-3/4-16Interchangeable
interchangeable cross-reference
interchangeable
CMC-4-5602-3/4-16Interchangeable
interchangeable cross-reference
interchangeable
4-190909 3-4 16L1Interchangeable
Same NIIN cross-reference
interchangeable
MIL-F-24787/3 TYPE CL1Interchangeable
Same NIIN cross-reference
interchangeable
MILH24135TYCCL1SZ3-4-16L1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GROUP I SIXE 3/4-16L1?
GROUP I SIXE 3/4-16L1 is a GROUP I SIXE 3/4-16L1.
What parts can replace GROUP I SIXE 3/4-16L1?
There are 6 known substitutes for GROUP I SIXE 3/4-16L1: 4-190909, 4-190909-3/4-16, CMC-4-5602-3/4-16 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GROUP I SIXE 3/4-16L1?
GROUP I SIXE 3/4-16L1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-928-4526. 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