PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 3255811-1
3255811-1 ✓ 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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: COPPER ALLOY OR STEEL CORROSION RESISTING OVERALL, style_designator: RIGID, SHORT CENTER WRENCHING FACILITY, nominal_overall_length: 1.688 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-274-1835, 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
3255811-1
NSN: 4730-01-274-1835
FSC: 4730
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialCOPPER ALLOY OR STEEL CORROSION RESISTING OVERALL
style_designatorRIGID, SHORT CENTER WRENCHING FACILITY
nominal_overall_length1.688 INCHES IN
NSN4730-01-274-1835
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3255811-1 · 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
•
STYLE DESIGNATOR: RIGID, SHORT CENTER WRENCHING FACILITY
•
MATERIAL: COPPER ALLOY OR STEEL CORROSION RESISTING OVERALL
•
NOMINAL OVERALL LENGTH: 1.688 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORRIGID, SHORT CENTER WRENCHING FACILITY
MATERIALCOPPER ALLOY OR STEEL CORROSION RESISTING OVERALL
NOMINAL OVERALL LENGTH1.688 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
3255811Interchangeable
interchangeable cross-reference
interchangeable
NH325581-1Interchangeable
interchangeable cross-reference
interchangeable
MC2X283FDInterchangeable
interchangeable cross-reference
interchangeable
5281-040Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3255811-1?
3255811-1 is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace 3255811-1?
There are 4 known substitutes for 3255811-1: 3255811, NH325581-1, MC2X283FD and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3255811-1?
3255811-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-274-1835. 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