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Technical Data Sheet
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35173 ✓ 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 DIAPHRAGM,FUEL VALVE is a the manufacturer industrial component. Key specifications include special_features: ULTRA TIP HOLLENBACK; 1/2 BLACK; FOR USE IN CARVING WAX IN DENTAL LABS, part_name_assigned_by_controlling_agency: CARVER ULTRA TIP HOLLENBACK 1/2 BLACK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-546-6502, 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
35173
NSN: 4730-00-546-6502
FSC: 4730
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
special_featuresULTRA TIP HOLLENBACK; 1/2 BLACK; FOR USE IN CARVING WAX IN DENTAL LABS
part_name_assigned_by_controlling_agencyCARVER ULTRA TIP HOLLENBACK 1/2 BLACK
NSN4730-00-546-6502
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 35173 · 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 6
353173Interchangeable
interchangeable cross-reference
interchangeable
306090Interchangeable
interchangeable cross-reference
interchangeable
3-5173Interchangeable
interchangeable cross-reference
interchangeable
236-7338Interchangeable
interchangeable cross-reference
interchangeable
6520NCM051360Interchangeable
interchangeable cross-reference
interchangeable
013-777Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 35173?
35173 is a DIAPHRAGM,FUEL VALVE.
What parts can replace 35173?
There are 6 known substitutes for 35173: 353173, 306090, 3-5173 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 35173?
35173 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-546-6502. 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