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PartsTable / COMPONENT / 857-594
857-594 ✓ 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 CONTACT SET,DISTRIBUTOR is a the manufacturer industrial component. Key specifications include special_features: SUPPORTS GRUMMAN A10 AIRCRAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-135-8880, 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
857-594
NSN: 4730-00-135-8880
FSC: 4730
CAGE: 09647 — AQUA-CHEM, INC. (USA)
SPECIFICATIONS
special_featuresSUPPORTS GRUMMAN A10 AIRCRAFT
NSN4730-00-135-8880
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 857-594 · 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
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
NOMINAL OVERALL LENGTH: 2.000 INCHES IN
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
MATERIAL: ALUMINUM ALLOY 6061 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCLOSE
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL OVERALL LENGTH2.000 INCHES IN
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
MATERIALALUMINUM ALLOY 6061 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
AL1037MVInterchangeable
interchangeable cross-reference
interchangeable
AB009021796Interchangeable
interchangeable cross-reference
interchangeable
1GS2224LInterchangeable
interchangeable cross-reference
interchangeable
857-00594-000Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 857-594?
857-594 is a CONTACT SET,DISTRIBUTOR.
What parts can replace 857-594?
There are 4 known substitutes for 857-594: AL1037MV, AB009021796, 1GS2224L and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 857-594?
857-594 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-135-8880. 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