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56739 ✓ Verified by PartsTable
Tactic · 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

Let your mind wander to relaxing shores. 500 pcs. Key specifications include material: ALUMINUM ALLOY SEDIMENT BOWL, body_width: 1.875 INCHES NOMINAL IN, body_height: 1.000 INCHES NOMINAL IN, body_length: 2.0625 INCHES NOMINAL IN, design_type: REUSABLE, operating_pressure: 40.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-250-7902, 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
56739
NSN: 4730-00-250-7902
FSC: 4730
CAGE: 44114 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
materialALUMINUM ALLOY SEDIMENT BOWL
body_width1.875 INCHES NOMINAL IN
body_height1.000 INCHES NOMINAL IN
body_length2.0625 INCHES NOMINAL IN
design_typeREUSABLE
operating_pressure40.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
fsc_application_dataPNEUMATIC SYSTEM INSTL ACFT
filtering_media_designSPIRAL WOUND SINGLE FILTERING MEDIA RESPONSE
filtering_element_quantity1
NSN4730-00-250-7902
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 56739 · Tactic ⚠ 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 26
1853Interchangeable
interchangeable cross-reference
interchangeable
20-7510Interchangeable
interchangeable cross-reference
interchangeable
005-500-0005Interchangeable
interchangeable cross-reference
interchangeable
1JH879REVBPC18Interchangeable
interchangeable cross-reference
interchangeable
5590929-1853Interchangeable
interchangeable cross-reference
interchangeable
5592113-9557Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56739?
56739 is a SOCKET,PLUG-IN ELECTRONIC COMPON manufactured by Tactic.
What parts can replace 56739?
There are 26 known substitutes for 56739: 1853, 20-7510, 005-500-0005 and 23 more. Substitute compatibility should be verified for your specific system.
Is 56739 still available?
56739 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