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Technical Data Sheet
ASTM B221 ✓ 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 BRACKET,VEHICULAR COMPONENTS is a the manufacturer industrial component. Key specifications include length: 1.625 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6063, heat_treatment: T-5 SOLUTION HEAT TREATED, basic_shape_style: ROUND, fabrication_method: EXTRUDED AND HOT FINISH, end_item_identification: B-1 ACFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 9540-00-004-5243, 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
ASTM B221
NSN: 9540-00-004-5243
FSC: 9540
CAGE: 81346 — AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL (USA)
SPECIFICATIONS
length1.625 INCHES NOMINAL IN
materialALUMINUM ALLOY 6063
heat_treatmentT-5 SOLUTION HEAT TREATED
basic_shape_styleROUND
fabrication_methodEXTRUDED AND HOT FINISH
end_item_identificationB-1 ACFT
specification/standard_data81346-ASTM B221 NATIONAL STD/SPEC
cross_section_outside_diameter2.000 INCHES NOMINAL IN
NSN9540-00-004-5243
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRACKET,VEHICULAR COMPONENTS TITLE COMPONENT PN ASTM B221 MFR BRACKET,VEHICULAR COMP
KEY FEATURES
BASIC SHAPE STYLE: ANGLE
USAGE DESIGN: AIRCRAFT
HEAT TREATMENT: T-6511 SOLUTION HEAT TREATED
LEFT INSIDE ANGLE: 90.0 DEGREES NOMINAL
FILLET RADIUS WHERE LEFT FLANGE JOINS BASE FLANGE: 0.060 INCHES NOMINAL IN
FIRST TIP STYLE: SQUARE END
MATERIAL: ALUMINUM ALLOY 6061
TECHNICAL CHARACTERISTICS (FLIS)
BASIC SHAPE STYLEANGLE
OVERALL WIDTH1.950 INCHES NOMINAL IN
USAGE DESIGNAIRCRAFT
HEAT TREATMENTT-6511 SOLUTION HEAT TREATED
LEFT INSIDE ANGLE90.0 DEGREES NOMINAL
FILLET RADIUS WHERE LEFT FLANGE JOINS BASE FLANGE0.060 INCHES NOMINAL IN
FIRST TIP STYLESQUARE END
MATERIALALUMINUM ALLOY 6061
LENGTH10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
OVERALL HEIGHT1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
LS31121Interchangeable
interchangeable cross-reference
interchangeable
42380Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
125-500Interchangeable
interchangeable cross-reference
interchangeable
70434Interchangeable
interchangeable cross-reference
interchangeable
SAE-AMS-QQ-A-200/8Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASTM B221?
ASTM B221 is a BRACKET,VEHICULAR COMPONENTS.
What parts can replace ASTM B221?
There are 10 known substitutes for ASTM B221: LS31121, 42380, AMS-QQ-A-200/11 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ASTM B221?
ASTM B221 is cataloged in the Federal Logistics Information System (FLIS) under NSN 9540-00-004-5243. This indicates validated use in U.S. government and defense supply chains.
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