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Technical Data Sheet
PartsTable / COMPONENT / 1611-1/2
1611-1/2 ✓ 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 1611-1/2 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-263-6472, 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
1611-1/2
NSN: 4730-00-263-6472
FSC: 4730
CAGE: 01881 — ARCO METALS CO DIV OF ATLANTIC RICHFIELD CO (USA)
SPECIFICATIONS
Part Number1611-1/2
NSN4730-00-263-6472
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1611-1/2 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
16111-2Interchangeable
interchangeable cross-reference
interchangeable
W4017Interchangeable
interchangeable cross-reference
interchangeable
MS35929-6Interchangeable
interchangeable cross-reference
interchangeable
AA59451-6Interchangeable
interchangeable cross-reference
interchangeable
63-2-6Interchangeable
interchangeable cross-reference
interchangeable
C326Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1611-1/2?
1611-1/2 is a 1611-1/2.
What parts can replace 1611-1/2?
There are 27 known substitutes for 1611-1/2: 16111-2, W4017, MS35929-6 and 24 more. Substitute compatibility should be verified for your specific system.
Is 1611-1/2 still available?
1611-1/2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026