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Technical Data Sheet
PartsTable / COMPONENT / 8713981
8713981 ✓ 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

The RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include material: OVERALL PLASTIC,SILICONE ELASTOMER,CHO-THERM-R 1671,CHOMERICS INC, seat_angle: 37.0 DEGREES FIRST END, temp_rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 3B FIRST END, overall_width: 1.500 INCHES NOMINAL IN, overall_height: 0.015 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-878-5830, 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
8713981
NSN: 4720-00-878-5830
FSC: 4720
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialOVERALL PLASTIC,SILICONE ELASTOMER,CHO-THERM-R 1671,CHOMERICS INC
seat_angle37.0 DEGREES FIRST END
temp_rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class3B FIRST END
overall_width1.500 INCHES NOMINAL IN
overall_height0.015 INCHES NOMINAL IN
overall_length3.800 INCHES NOMINAL IN
vacuum_in_torr50.8
connection_typeTHREADED INTERNAL TUBE FIRST END
inside_diameter0.406 INCHES NOMINAL IN
connection_styleSWIVEL NUT FLARE FIRST END
outside_diameter0.766 INCHES NOMINAL IN
NSN4720-00-878-5830
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 8713981 · 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
•
INSIDE DIAMETER: 0.406 INCHES NOMINAL IN
•
BURST TEST PRESSURE: 8000.0 POUNDS PER SQUARE INCH LBS
•
CONNECTION TYPE: THREADED INTERNAL TUBE FIRST END
•
OUTER COVERING ENVIRONMENTAL PROTECTION: MILDEW RESISTANT AND OIL RESISTANT
•
OUTSIDE DIAMETER: 0.766 INCHES NOMINAL IN
•
LAYER COMPOSITION AND LOCATION: 1ST LAYER BRAIDED COTTON CORD AND 2ND LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD
•
TEMP RATING: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
NOMINAL THREAD SIZE: 0.750 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER0.406 INCHES NOMINAL IN
BURST TEST PRESSURE8000.0 POUNDS PER SQUARE INCH LBS
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
OUTER COVERING ENVIRONMENTAL PROTECTIONMILDEW RESISTANT AND OIL RESISTANT
OUTSIDE DIAMETER0.766 INCHES NOMINAL IN
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED COTTON CORD AND 2ND LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD
TEMP RATING-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
CONNECTION STYLESWIVEL NUT FLARE FIRST END
VACUUM IN TORR50.8
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
906R620Interchangeable
interchangeable cross-reference
interchangeable
327-985Interchangeable
interchangeable cross-reference
interchangeable
521231Interchangeable
interchangeable cross-reference
interchangeable
57F903648-1Interchangeable
interchangeable cross-reference
interchangeable
69-11-D836-1671Interchangeable
interchangeable cross-reference
interchangeable
871398-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8713981?
8713981 is a RESISTOR,FIXED,COMPOSITION.
What parts can replace 8713981?
There are 10 known substitutes for 8713981: 906R620, 327-985, 521231 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8713981?
8713981 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-878-5830. 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