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PartsTable / COMPONENT / FF6400-6-8
FF6400-6-8 ✓ 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 ADAPTER,STRAIGHT,PIPE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_item_identification: 3990-01-443-8024, ENGINEERING MISSION MODULE USED ON THE PALLETIZED LOADING SYSTEM, specification/standard_data: 81343 - SAE J518 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD, part_name_assigned_by_controlling_agency: ADAPTER 3/4 ORBM X 11/16 ORSM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-538-7002, 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
FF6400-6-8
NSN: 4730-01-538-7002
FSC: 4730
CAGE: 0S1H5 — TOMPKINS INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_item_identification3990-01-443-8024, ENGINEERING MISSION MODULE USED ON THE PALLETIZED LOADING SYSTEM
specification/standard_data81343 - SAE J518 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
part_name_assigned_by_controlling_agencyADAPTER 3/4 ORBM X 11/16 ORSM
NSN4730-01-538-7002
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: FF6400-6-8 · 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
•
SPECIFICATION/STANDARD DATA: 81343 - SAE J518 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81343 - SAE J518 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
PART NAME ASSIGNED BY CONTROLLING AGENCYADAPTER 3/4 ORBM X 11/16 ORSM
END ITEM IDENTIFICATION3990-01-443-8024, ENGINEERING MISSION MODULE USED ON THE PALLETIZED LOADING SYSTEM
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
50001925Interchangeable
interchangeable cross-reference
interchangeable
MC4044CPInterchangeable
interchangeable cross-reference
interchangeable
304-0150Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF6400-6-8?
FF6400-6-8 is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace FF6400-6-8?
There are 3 known substitutes for FF6400-6-8: 50001925, MC4044CP, 304-0150. Substitute compatibility should be verified for your specific system.
What is the NSN for FF6400-6-8?
FF6400-6-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-538-7002. 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