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Technical Data Sheet
PartsTable / COMPONENT / TSE01-25
TSE01-25 ✓ 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 SEAL NUT,PIPE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE SEAL, nut_style: PIPE SEAL NUT, nut_height: 0.266 INCHES NOMINAL IN, thread_series: NPT, thread_direction: RIGHT-HAND, surface_treatment: CADMIUM AND CHROMATE NUT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-813-7262, 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
TSE01-25
NSN: 4730-00-813-7262
FSC: 4730
CAGE: 95208 — PARKER-HANNIFIN CORPORATION DIV CYLINDER DIVISION (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEAL
nut_stylePIPE SEAL NUT
nut_height0.266 INCHES NOMINAL IN
thread_seriesNPT
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE NUT
width_across_flats0.750 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch18
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY FREE OF MERCURY CONTAMINATION FOR NUCLEAR PROPULSION
NSN4730-00-813-7262
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: TSE01-25 · 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 31
10177036Interchangeable
interchangeable cross-reference
interchangeable
350-TSE01-13Interchangeable
interchangeable cross-reference
interchangeable
8764823Interchangeable
interchangeable cross-reference
interchangeable
1787777-2Interchangeable
interchangeable cross-reference
interchangeable
4730006706031Interchangeable
interchangeable cross-reference
interchangeable
283569R1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TSE01-25?
TSE01-25 is a SEAL NUT,PIPE.
What parts can replace TSE01-25?
There are 31 known substitutes for TSE01-25: 10177036, 350-TSE01-13, 8764823 and 28 more. Substitute compatibility should be verified for your specific system.
Is TSE01-25 still available?
TSE01-25 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