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Technical Data Sheet
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858315 — 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: PLASTIC, major_diameter: 0.812 INCHES NOMINAL IN, minor_diameter: 0.500 INCHES NOMINAL IN, nominal_overall_length: 3.000 INCHES IN, nominal_outside_diameter_tube_accommodated: 0.750 INCHES IN. This part is cataloged in the Federal Logistics Information System under NSN 4730-00-289-0595, 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
858315
NSN: 4730-00-289-0595
FSC: 4730
CAGE: 09647 — AQUA-CHEM, INC. (USA)
SPECIFICATIONS
materialPLASTIC
major_diameter0.812 INCHES NOMINAL IN
minor_diameter0.500 INCHES NOMINAL IN
nominal_overall_length3.000 INCHES IN
nominal_outside_diameter_tube_accommodated0.750 INCHES IN
NSN4730-00-289-0595
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 858315 · 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 OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.750 INCHES IN
•
MATERIAL: PLASTIC
•
MINOR DIAMETER: 0.500 INCHES NOMINAL IN
•
MAJOR DIAMETER: 0.812 INCHES NOMINAL IN
•
NOMINAL OVERALL LENGTH: 3.000 INCHES IN
TECHNICAL CHARACTERISTICS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES IN
MATERIALPLASTIC
MINOR DIAMETER0.500 INCHES NOMINAL IN
MAJOR DIAMETER0.812 INCHES NOMINAL IN
NOMINAL OVERALL LENGTH3.000 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
MIL-P-15742-5/8INInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MILP15742InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
F3116132PC39InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B5450TBPGInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3261283InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
P-375-16GJSSInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 858315?
858315 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 858315?
There are 30 known substitutes for 858315: MIL-P-15742-5/8IN, MILP15742, F3116132PC39 and 27 more. Substitute compatibility should be verified for your specific system.
Is 858315 still available?
858315 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: September 2026