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Technical Data Sheet
PartsTable / COMPONENT / 812-3/4 250 PSI
812-3/4 250 PSI ✓ 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 812-3/4 250 PSI is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-231-3443, 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
812-3/4 250 PSI
NSN: 4730-00-231-3443
FSC: 4730
CAGE: 03933 — ARMSTRONG INTERNATIONAL INC DBA ARMSTRONG MACHINE WORKS (USA)
SPECIFICATIONS
Part Number812-3/4 250 PSI
NSN4730-00-231-3443
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 812-3/4 250 PSI · 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 22
120-34Interchangeable
interchangeable cross-reference
interchangeable
20-34Interchangeable
interchangeable cross-reference
interchangeable
WWT696Interchangeable
interchangeable cross-reference
interchangeable
88606Interchangeable
interchangeable cross-reference
interchangeable
62SInterchangeable
interchangeable cross-reference
interchangeable
140Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 812-3/4 250 PSI?
812-3/4 250 PSI is a 812-3/4 250 PSI.
What parts can replace 812-3/4 250 PSI?
There are 22 known substitutes for 812-3/4 250 PSI: 120-34, 20-34, WWT696 and 19 more. Substitute compatibility should be verified for your specific system.
Is 812-3/4 250 PSI still available?
812-3/4 250 PSI 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