Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
INSULATION SLEEVING,ELECTRICAL,S. Key specifications include color: BLACK, material: PLASTIC POLYOLEFIN LOCATION NOT OTHERWISE SPECIFIED, case_style: SQUARE, seal_width: 0.406 INCHES NOMINAL IN, flexibility: SEMIRIGID, temp_rating: -55.0 CELSIUS DEGC. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-772-1421, 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
7721421
NSN:5330-00-772-1421 FSC:5330 CAGE:19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
color
BLACK
material
PLASTIC POLYOLEFIN LOCATION NOT OTHERWISE SPECIFIED
case_style
SQUARE
seal_width
0.406 INCHES NOMINAL IN
flexibility
SEMIRIGID
temp_rating
-55.0 CELSIUS DEGC
style_designator
BOOT-STRAIGHT
housing_bore_diameter
4.125 INCHES NOMINAL IN
reliability_indicator
NOT ESTABLISHED
sealing_element_style
ANGULAR
environmental_protection
CORROSION RESISTANT AND FLAME RESISTANT AND MILDEW RESISTANT AND SOLVENT RESISTANT AND WATER RESISTANT
main_body_overall_length
1.120 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN
NSN
5330-00-772-1421
COMPONENT DIAGRAM
KEY FEATURES
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 4.125 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
SEAL WIDTH: 0.406 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 2.875 INCHES NOMINAL IN
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FREQUENTLY ASKED QUESTIONS
What is 7721421?
7721421 is a INSULATION SLEEVING,ELECTRICAL,S.
What parts can replace 7721421?
There are 3 known substitutes for 7721421: 5M250-8, GB860AA-1-3, 407344. Substitute compatibility should be verified for your specific system.
What is the NSN for 7721421?
7721421 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-772-1421. This indicates validated use in U.S. government and defense supply chains.
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