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Technical Data Sheet
PartsTable / COMPONENT / 3/4-3/8-PTR-S
3/4-3/8-PTR-S ✓ 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 3/4-3/8-PTR-S is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-288-8546, 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
3/4-3/8-PTR-S
NSN: 4730-00-288-8546
FSC: 4730
CAGE: S4768 — HERMES PRECISA INTERNATIONAL SA (CHE)
SPECIFICATIONS
Part Number3/4-3/8-PTR-S
NSN4730-00-288-8546
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3/4-3/8-PTR-S · 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
•
EXTERNAL THREAD SIZE: 3/4-14
•
INTERNAL SCREW THREAD SERIES DESIGNATOR: NPTF
•
STYLE DESIGNATOR: OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
•
INTERNAL THREAD DIRECTION: RIGHT-HAND
•
EXTERNAL THREAD DIRECTION: RIGHT-HAND
•
NONDEFINITIVE SPEC/STD DATA: 42 FIGURE
•
SPECIFICATION/STANDARD DATA: 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
EXTERNAL THREAD SIZE3/4-14
INTERNAL SCREW THREAD SERIES DESIGNATORNPTF
STYLE DESIGNATOROUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
SPECIAL FEATURESSURFACE TREATMENT IN ACCORDANCE WITH J514
INTERNAL THREAD DIRECTIONRIGHT-HAND
EXTERNAL THREAD DIRECTIONRIGHT-HAND
NONDEFINITIVE SPEC/STD DATA42 FIGURE
SPECIFICATION/STANDARD DATA81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
EXTERNAL SCREW THREAD SERIES DESIGNATORNPTF
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
102126Interchangeable
interchangeable cross-reference
interchangeable
890119-34Interchangeable
interchangeable cross-reference
interchangeable
S1915CInterchangeable
interchangeable cross-reference
interchangeable
7602291Interchangeable
interchangeable cross-reference
interchangeable
NASM3 THRU NASM20-AN9-17AInterchangeable
interchangeable cross-reference
interchangeable
A-1030Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3/4-3/8-PTR-S?
3/4-3/8-PTR-S is a 3/4-3/8-PTR-S.
What parts can replace 3/4-3/8-PTR-S?
There are 21 known substitutes for 3/4-3/8-PTR-S: 102126, 890119-34, S1915C and 18 more. Substitute compatibility should be verified for your specific system.
Is 3/4-3/8-PTR-S still available?
3/4-3/8-PTR-S 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