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Technical Data Sheet
PartsTable / COMPONENT / 2681-4
2681-4 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include general_characteristics_item_description: MATLSTAINLESS STEEL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-017-6616, 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
2681-4
NSN: 4720-01-017-6616
FSC: 4720
CAGE: 01276 — DANFOSS POWER SOLUTIONS II, LLC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionMATLSTAINLESS STEEL
NSN4720-01-017-6616
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 2681-4 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BURST TEST PRESSURE: 11000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
•
TEMP RATING: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
LAYER COMPOSITION AND LOCATION: 1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
•
OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
HYDROSTATIC TEST PRESSURE: 5500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
•
SPECIFICATION/STANDARD DATA: 81343-SAE J517,100R1A GOVERNMENT STANDARD
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
BURST TEST PRESSURE11000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
END ITEM IDENTIFICATION3950-01-110-9224
TEMP RATING-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
HYDROSTATIC TEST PRESSURE5500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
SPECIFICATION/STANDARD DATA81343-SAE J517,100R1A GOVERNMENT STANDARD
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
OPERATING PRESSURE3250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
INSIDE SURFACE CONDITIONSMOOTH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
H106Interchangeable
interchangeable cross-reference
interchangeable
1509/FC163-6Interchangeable
interchangeable cross-reference
interchangeable
H25-3-8Interchangeable
interchangeable cross-reference
interchangeable
D704Interchangeable
interchangeable cross-reference
interchangeable
V958Interchangeable
interchangeable cross-reference
interchangeable
100R1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2681-4?
2681-4 is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace 2681-4?
There are 25 known substitutes for 2681-4: H106, 1509/FC163-6, H25-3-8 and 22 more. Substitute compatibility should be verified for your specific system.
Is 2681-4 still available?
2681-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026