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Technical Data Sheet
PartsTable / COMPONENT / C7898-275
C7898-275 ✓ 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 CLAMP,HOSE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, overall_width: 0.306 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN, inside_diameter: 2.531 INCHES MINIMUM AND 3.234 INCHES MAXIMUM IN, style_designator: WIRE, surface_treatment: PASSIVATE OVERALL, fastening_device_type: SLOTTED HEXAGON HEAD SCREW. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-490-3170, 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
C7898-275
NSN: 4730-00-490-3170
FSC: 4730
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
overall_width0.306 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
inside_diameter2.531 INCHES MINIMUM AND 3.234 INCHES MAXIMUM IN
style_designatorWIRE
surface_treatmentPASSIVATE OVERALL
fastening_device_typeSLOTTED HEXAGON HEAD SCREW
specification/standard_data80205-NAS1922 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN4730-00-490-3170
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: C7898-275 · 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 29
817083Interchangeable
interchangeable cross-reference
interchangeable
C7898-150Interchangeable
interchangeable cross-reference
interchangeable
214-255Interchangeable
interchangeable cross-reference
interchangeable
4730PL1659659Interchangeable
interchangeable cross-reference
interchangeable
4730PL1659664Interchangeable
interchangeable cross-reference
interchangeable
4730PL0575873Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C7898-275?
C7898-275 is a CLAMP,HOSE.
What parts can replace C7898-275?
There are 29 known substitutes for C7898-275: 817083, C7898-150, 214-255 and 26 more. Substitute compatibility should be verified for your specific system.
Is C7898-275 still available?
C7898-275 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026