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Technical Data Sheet
MIL-STD-421 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The PARTS KIT,BRAKE AIR COMPRESSOR is a the manufacturer industrial component. Key specifications include material: STEEL, effective_length: 1.5000 FEET NOMINAL FT, pin_fastening_method: RIVETED, first_chain_link_style: PIN, nominal_pitch_distance: 0.250 INCHES IN, second_chain_link_style: ROLLERLESS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-074-7086, 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
MIL-STD-421
NSN: 3020-00-074-7086
FSC: 3020
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL
effective_length1.5000 FEET NOMINAL FT
link_row_quantity1
pin_fastening_methodRIVETED
first_chain_link_stylePIN
nominal_pitch_distance0.250 INCHES IN
second_chain_link_styleROLLERLESS
minimum_tensile_strength780 POUNDS PER SQUARE INCH LBS
first_chain_link_plate_width0.205 INCHES NOMINAL IN
second_chain_link_plate_width0.237 INCHES NOMINAL IN
first_chain_link_pin_nominal_diameter0.0900 INCHES IN
first_chain_link_plate_nominal_thickness0.0300 INCHES IN
NSN3020-00-074-7086
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PARTS KIT,BRAKE AIR COMPRESSOR TITLE COMPONENT PN MIL-STD-421 MFR PARTS KIT,BRAKE AIR CO
KEY FEATURES
FIRST CHAIN LINK NOMINAL WIDTH BETWEEN PLATES: 0.1250 INCHES IN
SECOND CHAIN LINK NOMINAL WIDTH BETWEEN PLATES: 0.1250 INCHES IN
FIRST CHAIN LINK PLATE WIDTH: 0.238 INCHES NOMINAL IN
FIRST CHAIN LINK STYLE: ROLLER
PIN FASTENING METHOD: RIVETED AND SPRING CLIP
LINK ROW QUANTITY: 1
FIRST CHAIN LINK PLATE NOMINAL THICKNESS: 0.0300 INCHES IN
SECOND CHAIN LINK PIN NOMINAL DIAMETER: 0.0905 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST CHAIN LINK NOMINAL WIDTH BETWEEN PLATES0.1250 INCHES IN
SECOND CHAIN LINK NOMINAL WIDTH BETWEEN PLATES0.1250 INCHES IN
FIRST CHAIN LINK PLATE WIDTH0.238 INCHES NOMINAL IN
FIRST CHAIN LINK STYLEROLLER
PIN FASTENING METHODRIVETED AND SPRING CLIP
LINK ROW QUANTITY1
FIRST CHAIN LINK PLATE NOMINAL THICKNESS0.0300 INCHES IN
SECOND CHAIN LINK PIN NOMINAL DIAMETER0.0905 INCHES IN
FIRST CHAIN LINK ROLLER NOMINAL DIAMETER0.1300 INCHES IN
SECOND CHAIN LINK PLATE NOMINAL THICKNESS0.0300 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
25-1RCAInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-STD-421?
MIL-STD-421 is a PARTS KIT,BRAKE AIR COMPRESSOR.
What parts can replace MIL-STD-421?
There is 1 known substitute for MIL-STD-421: 25-1RCA. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-STD-421?
MIL-STD-421 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-074-7086. This indicates validated use in U.S. government and defense supply chains.
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