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PartsTable / COMPONENT / YA3502-1048P1
YA3502-1048P1 ✓ 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 PACKING NUT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, overall_length: 0.750 INCHES NOMINAL IN, style_designator: HEXAGON, INTERNAL THREAD, SHOULDERED, length_to_shoulder: 0.438 INCHES NOMINAL IN, width_across_flats: 1.062 INCHES NOMINAL IN, casehardening_indicator: NOT CASEHARDENED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-764-7769, 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
YA3502-1048P1
NSN: 4730-00-764-7769
FSC: 4730
CAGE: 94404 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
materialSTEEL COMP 303
overall_length0.750 INCHES NOMINAL IN
style_designatorHEXAGON, INTERNAL THREAD, SHOULDERED
length_to_shoulder0.438 INCHES NOMINAL IN
width_across_flats1.062 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
smallest_inside_diameter0.440 INCHES NOMINAL IN
major_unthreaded_outside_diameter1.000 INCHES NOMINAL IN
NSN4730-00-764-7769
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: YA3502-1048P1 · 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
•
MAJOR UNTHREADED OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: HEXAGON, INTERNAL THREAD, SHOULDERED
•
LENGTH TO SHOULDER: 0.438 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 1.062 INCHES NOMINAL IN
•
SMALLEST INSIDE DIAMETER: 0.440 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 303
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
MAJOR UNTHREADED OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
STYLE DESIGNATORHEXAGON, INTERNAL THREAD, SHOULDERED
LENGTH TO SHOULDER0.438 INCHES NOMINAL IN
WIDTH ACROSS FLATS1.062 INCHES NOMINAL IN
SMALLEST INSIDE DIAMETER0.440 INCHES NOMINAL IN
MATERIALSTEEL COMP 303
OVERALL LENGTH0.750 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
Q55-9390Interchangeable
interchangeable cross-reference
interchangeable
61-8571Interchangeable
interchangeable cross-reference
interchangeable
7708Interchangeable
interchangeable cross-reference
interchangeable
6680PL0842272Interchangeable
interchangeable cross-reference
interchangeable
61857Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is YA3502-1048P1?
YA3502-1048P1 is a PACKING NUT.
What parts can replace YA3502-1048P1?
There are 5 known substitutes for YA3502-1048P1: Q55-9390, 61-8571, 7708 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for YA3502-1048P1?
YA3502-1048P1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-764-7769. 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