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Technical Data Sheet
PartsTable / COMPONENT / TRU-SEAL 1-1/4
TRU-SEAL 1-1/4 ✓ 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 TRU-SEAL 1-1/4 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-013-6408, 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
TRU-SEAL 1-1/4
NSN: 4730-01-013-6408
FSC: 4730
CAGE: 95208 — PARKER-HANNIFIN CORPORATION DIV CYLINDER DIVISION (USA)
SPECIFICATIONS
Part NumberTRU-SEAL 1-1/4
NSN4730-01-013-6408
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: TRU-SEAL 1-1/4 · 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
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
NUT HEIGHT: 0.359 INCHES NOMINAL IN
•
THREAD SERIES: NPT
•
THREAD DIRECTION: RIGHT-HAND
•
NUT STYLE: PIPE SEAL NUT
•
WIDTH ACROSS FLATS: 2.000 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 1.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
NUT HEIGHT0.359 INCHES NOMINAL IN
THREAD SERIESNPT
THREAD DIRECTIONRIGHT-HAND
NUT STYLEPIPE SEAL NUT
WIDTH ACROSS FLATS2.000 INCHES NOMINAL IN
NOMINAL THREAD SIZE1.250 INCHES IN
THREAD QUANTITY PER INCH11-1/2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
C3059-4Interchangeable
interchangeable cross-reference
interchangeable
2600Z-1Interchangeable
interchangeable cross-reference
interchangeable
TRU-SEALInterchangeable
interchangeable cross-reference
interchangeable
TRU SEAL-1Interchangeable
interchangeable cross-reference
interchangeable
TRUSEAL1-11-1/2Interchangeable
interchangeable cross-reference
interchangeable
TSE01-150Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TRU-SEAL 1-1/4?
TRU-SEAL 1-1/4 is a TRU-SEAL 1-1/4.
What parts can replace TRU-SEAL 1-1/4?
There are 12 known substitutes for TRU-SEAL 1-1/4: C3059-4, 2600Z-1, TRU-SEAL and 9 more. Substitute compatibility should be verified for your specific system.
Is TRU-SEAL 1-1/4 still available?
TRU-SEAL 1-1/4 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