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857595 ✓ 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 857595 is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: CLOSE, surface_treatment: ANODIZE OVERALL, nominal_thread_size: 0.500 INCHES ALL ENDS IN, nominal_overall_length: 2.500 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-136-1117, 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
857595
NSN: 4730-00-136-1117
FSC: 4730
CAGE: 09647 — AQUA-CHEM, INC. (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorCLOSE
surface_treatmentANODIZE OVERALL
nominal_thread_size0.500 INCHES ALL ENDS IN
nominal_overall_length2.500 INCHES IN
thread_series_designatorNPT ALL ENDS
NSN4730-00-136-1117
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 857595 · 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
•
STYLE DESIGNATOR: CLOSE
•
SURFACE TREATMENT: ANODIZE OVERALL
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
MATERIAL: ALUMINUM ALLOY 6061 OVERALL
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 2.500 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCLOSE
SURFACE TREATMENTANODIZE OVERALL
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
THREAD SERIES DESIGNATORNPT ALL ENDS
MATERIALALUMINUM ALLOY 6061 OVERALL
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
NOMINAL OVERALL LENGTH2.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
857595Interchangeable
interchangeable cross-reference
interchangeable
28-19Interchangeable
interchangeable cross-reference
interchangeable
857-00595-000Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 857595?
857595 is a 857595.
What parts can replace 857595?
There are 3 known substitutes for 857595: 857595, 28-19, 857-00595-000. Substitute compatibility should be verified for your specific system.
What is the NSN for 857595?
857595 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-136-1117. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026