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Technical Data Sheet
PartsTable / COMPONENT / 256000-8
256000-8 ✓ 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 COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 260 OVERALL, thickness: 0.052 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN, hole_diameter: 1.000 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN, overall_diameter: 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-010-5297, 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
256000-8
NSN: 4730-00-010-5297
FSC: 4730
CAGE: 83533 — ESSEX INDUSTRIES INC DIV MANUFACTURING DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY 260 OVERALL
thickness0.052 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
hole_diameter1.000 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
overall_diameter1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-B-613 1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-010-5297
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 256000-8 · 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
•
QUICK DISCONNECT METHOD: TWIST-LOCK ALL ENDS
•
STYLE DESIGNATOR: MALE COUPLING HALF
TECHNICAL CHARACTERISTICS (FLIS)
QUICK DISCONNECT METHODTWIST-LOCK ALL ENDS
STYLE DESIGNATORMALE COUPLING HALF
SPECIAL FEATURES3M MALE COUPLING,2.750 OZ. WT OZ
PART NAME ASSIGNED BY CONTROLLING AGENCYSTATIC COUPLING HALF
OVERALL LENGTH1.682 INCHES MINIMUM AND 1.702 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
2560008Interchangeable
interchangeable cross-reference
interchangeable
2500Interchangeable
interchangeable cross-reference
interchangeable
59A120A5-3-1Interchangeable
interchangeable cross-reference
interchangeable
99000-1Interchangeable
interchangeable cross-reference
interchangeable
MS22068-4Interchangeable
interchangeable cross-reference
interchangeable
199000-28Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 256000-8?
256000-8 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 256000-8?
There are 18 known substitutes for 256000-8: 2560008, 2500, 59A120A5-3-1 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 256000-8?
256000-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-010-5297. 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