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8438721 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The NONMETALLIC CHANNEL is a the manufacturer industrial component. Key specifications include length: 4.500 INCHES MINIMUM AND 4.750 INCHES MAXIMUM IN, material: RUBBER, overall_width: 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN, overall_height: 0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN, base_flange_thickness: 0.062 INCHES NOMINAL IN, environmental_protection: OIL RESISTANT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 9390-00-180-7293, 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
8438721
NSN: 9390-00-180-7293
FSC: 9390
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
length4.500 INCHES MINIMUM AND 4.750 INCHES MAXIMUM IN
materialRUBBER
overall_width0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
overall_height0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
base_flange_thickness0.062 INCHES NOMINAL IN
environmental_protectionOIL RESISTANT
minimum_tensile_strengthERR-060
right_side_flange_height0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
left-side_flange_tip_styleLEFT SQUARE END
left_side_flange_thickness0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
cross-sectional_shape_styleOPEN CHANNEL
nondefinitive_spec/std_dataII TYPE
NSN9390-00-180-7293
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available NONMETALLIC CHANNEL TITLE COMPONENT PN 8438721 MFR NONMETALLIC CHANNEL
KEY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: II TYPE
•
LEFT SIDE FLANGE THICKNESS: 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
•
RIGHT SIDE FLANGE HEIGHT: 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
NONMETALLIC HARDNESS RATING: 65.0 MINIMUM SHORE DUROMETER A AND 75.0 MAXIMUM SHORE DUROMETER A
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-7362, TYPE 2 MIL SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: OPEN CHANNEL
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATAII TYPE
LEFT SIDE FLANGE THICKNESS0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
RIGHT SIDE FLANGE HEIGHT0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
LEFT SIDE FLANGE THICKNESS0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATAII TYPE
NONMETALLIC HARDNESS RATING65.0 MINIMUM SHORE DUROMETER A AND 75.0 MAXIMUM SHORE DUROMETER A
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-7362, TYPE 2 MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEOPEN CHANNEL
MATERIALRUBBER
LEFT-SIDE FLANGE TIP STYLELEFT SQUARE END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
MILR7362Interchangeable
interchangeable cross-reference
interchangeable
AMS-R-7362Interchangeable
interchangeable cross-reference
interchangeable
SS3803-9Interchangeable
interchangeable cross-reference
interchangeable
299C410P111Interchangeable
interchangeable cross-reference
interchangeable
AS29561-111Interchangeable
interchangeable cross-reference
interchangeable
VS80501-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8438721?
8438721 is a NONMETALLIC CHANNEL.
What parts can replace 8438721?
There are 10 known substitutes for 8438721: MILR7362, AMS-R-7362, SS3803-9 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8438721?
8438721 is cataloged in the Federal Logistics Information System (FLIS) under NSN 9390-00-180-7293. 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