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Technical Data Sheet
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857-08186-000 — Technical Data Sheet

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— · 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 COOLER,FLUID,INDUSTRIAL is a the manufacturer industrial component. Key specifications include material: COPPER AND NICKEL ALLOY OVERALL, connection_type: THREADED EXTERNAL PIPE ALL ENDS, nominal_thread_size: 0.375 INCHES ALL ENDS IN, end_item_identification: HEAT EXCHANGER, AQUA-CHEM, P/N 700-07937-000, thread_series_designator: NPT ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4730-01-208-3073, 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
857-08186-000
NSN: 4730-01-208-3073
FSC: 4730
CAGE: 09647 — AQUA-CHEM, INC. (USA)
SPECIFICATIONS
materialCOPPER AND NICKEL ALLOY OVERALL
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
nominal_thread_size0.375 INCHES ALL ENDS IN
end_item_identificationHEAT EXCHANGER, AQUA-CHEM, P/N 700-07937-000
thread_series_designatorNPT ALL ENDS
NSN4730-01-208-3073
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 857-08186-000 · 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
•
NOMINAL THREAD SIZE: 0.375 INCHES ALL ENDS IN
•
MATERIAL: COPPER AND NICKEL ALLOY OVERALL
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONHEAT EXCHANGER, AQUA-CHEM, P/N 700-07937-000
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
MATERIALCOPPER AND NICKEL ALLOY OVERALL
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
MIL-C-15730TYPEACLASS5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4420PL1752613InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
700-7937InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
700-7937 PIECE2FInterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 857-08186-000?
857-08186-000 is a COOLER,FLUID,INDUSTRIAL.
What parts can replace 857-08186-000?
There are 4 known substitutes for 857-08186-000: MIL-C-15730TYPEACLASS5, 4420PL1752613, 700-7937 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 857-08186-000?
857-08186-000 is cataloged in the Federal Logistics Information System under NSN 4730-01-208-3073. 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: October 2026