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1003549 ✓ Verified by PartsTable
3M · 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 ADAPTER,STRAIGHT,TUBE TO BOSS is a 3M industrial component. Key specifications include material: PLASTIC SINGLE WALL, body_style: IRREGULAR, power_rating: 75.0 WATTS AVERAGE, overall_width: 7.500 INCHES NOMINAL IN, overall_height: 13.000 INCHES NOMINAL IN, overall_length: 96.000 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-492-6039, 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
1003549
NSN: 4730-00-492-6039
FSC: 4730
CAGE: 00365 — TLD ACE CORP DIV TLD ACE (USA)
SPECIFICATIONS
materialPLASTIC SINGLE WALL
body_styleIRREGULAR
power_rating75.0 WATTS AVERAGE
overall_width7.500 INCHES NOMINAL IN
overall_height13.000 INCHES NOMINAL IN
overall_length96.000 INCHES IN
assembly_methodADHESIVE
frequency_range5.400 GIGAHERTZ MINIMUM AND 5.900 GIGAHERTZ MAXIMUM
opening_locationTOP
special_featuresCORD POWER EXT NEMA 5-15P
application_designWAVEGUIDE
mounting_slot_width0.218 INCHES NOMINAL IN
NSN4730-00-492-6039
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1003549 · 3M ⚠ 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 11
1003549Interchangeable
interchangeable cross-reference
interchangeable
1857656Interchangeable
interchangeable cross-reference
interchangeable
F92G233Interchangeable
interchangeable cross-reference
interchangeable
92-7-29-18Interchangeable
interchangeable cross-reference
interchangeable
350131Interchangeable
interchangeable cross-reference
interchangeable
1003549-1616Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1003549?
1003549 is a ADAPTER,STRAIGHT,TUBE TO BOSS manufactured by 3M.
What parts can replace 1003549?
There are 11 known substitutes for 1003549: 1003549, 1857656, F92G233 and 8 more. Substitute compatibility should be verified for your specific system.
Is 1003549 still available?
1003549 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