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549E17 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, thread_size: 3/4-12, thread_class: 2B, thread_length: 0.375 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, overall_length: 0.656 INCHES NOMINAL IN, style_designator: HEXAGON, INTERNAL THREAD, SHOULDERED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-832-7795, 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
549E17
NSN: 4730-00-832-7795
FSC: 4730
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thread_size3/4-12
thread_class2B
thread_length0.375 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
overall_length0.656 INCHES NOMINAL IN
style_designatorHEXAGON, INTERNAL THREAD, SHOULDERED
thread_directionRIGHT-HAND
length_to_shoulder0.531 INCHES NOMINAL IN
width_across_flats0.875 INCHES NOMINAL IN
screw_thread_locationINTERNAL
casehardening_indicatorNOT CASEHARDENED
smallest_inside_diameter0.266 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
NSN4730-00-832-7795
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 549E17 · 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
•
SCREW THREAD LOCATION: INTERNAL
•
WIDTH ACROSS FLATS: 0.875 INCHES NOMINAL IN
•
SMALLEST INSIDE DIAMETER: 0.266 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: HEXAGON, INTERNAL THREAD, SHOULDERED
•
LENGTH TO SHOULDER: 0.531 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.656 INCHES NOMINAL IN
SCREW THREAD LOCATIONINTERNAL
WIDTH ACROSS FLATS0.875 INCHES NOMINAL IN
SMALLEST INSIDE DIAMETER0.266 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
STYLE DESIGNATORHEXAGON, INTERNAL THREAD, SHOULDERED
LENGTH TO SHOULDER0.531 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
CASEHARDENING INDICATORNOT CASEHARDENED
THREAD SIZE3/4-12
THREAD CLASS2B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
G727Interchangeable
interchangeable cross-reference
interchangeable
VG-486Interchangeable
interchangeable cross-reference
interchangeable
8322DRInterchangeable
interchangeable cross-reference
interchangeable
152-0107-00Interchangeable
interchangeable cross-reference
interchangeable
G727-2Interchangeable
interchangeable cross-reference
interchangeable
5961PL1277850Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 549E17?
549E17 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 549E17?
There are 8 known substitutes for 549E17: G727, VG-486, 8322DR and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 549E17?
549E17 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-832-7795. 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