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HA19 ✓ 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 SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include length: 12.000 FEET NOMINAL FT, head_style: KNURLED NO. 1, head_height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN, overall_width: 1.000 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 9540-00-720-1320, 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
HA19
NSN: 9540-00-720-1320
FSC: 9540
CAGE: 10383 — KAISER ALUMINUM AND CHEMICAL CORP TRENTWOOD WORKS-MARKETING DEPT (USA)
SPECIFICATIONS
length12.000 FEET NOMINAL FT
materialCOPPER ALLOY 274 OR COPPER ALLOY 353 OR COPPER ALLOY 360 OR COPPER ALLOY 377 OR COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OVERALL
head_styleKNURLED NO. 1
head_height0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
overall_width1.000 INCHES NOMINAL IN
thread_length0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
heat_treatmentT-6 SOLUTION HEAT TREATED
overall_height0.875 INCHES NOMINAL IN
fastener_length1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN
first_tip_styleRIGHT QUARTER RADIUS
NSN9540-00-720-1320
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SCREW,EXTERNALLY RELIEVED BODY TITLE COMPONENT PN HA19 MFR SCREW,EXTERNALLY RELIE
KEY FEATURES
•
SECOND TIP RADIUS: 0.094 INCHES NOMINAL IN
•
FIRST TIP RADIUS: 0.094 INCHES NOMINAL IN
•
FABRICATION METHOD: EXTRUDED
•
MATERIAL: ALUMINUM ALLOY 2014
•
FILLET RADIUS WHERE LEFT FLANGE JOINS BASE FLANGE: 0.125 INCHES NOMINAL IN
•
FIRST TIP STYLE: RIGHT QUARTER RADIUS
•
SECOND TIP RELATIONSHIP TO FIRST TIP: NOT IDENTICAL
•
BASE FLANGE THICKNESS: 0.094 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SECOND TIP RADIUS0.094 INCHES NOMINAL IN
FIRST TIP RADIUS0.094 INCHES NOMINAL IN
FABRICATION METHODEXTRUDED
MATERIALALUMINUM ALLOY 2014
FILLET RADIUS WHERE LEFT FLANGE JOINS BASE FLANGE0.125 INCHES NOMINAL IN
FIRST TIP STYLERIGHT QUARTER RADIUS
SECOND TIP RELATIONSHIP TO FIRST TIPNOT IDENTICAL
BASE FLANGE THICKNESS0.094 INCHES NOMINAL IN
LENGTH12.000 FEET NOMINAL FT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-QQ-A-200/2 FED SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
15501Interchangeable
interchangeable cross-reference
interchangeable
KC9671Interchangeable
interchangeable cross-reference
interchangeable
D7740-12-1Interchangeable
interchangeable cross-reference
interchangeable
14628Interchangeable
interchangeable cross-reference
interchangeable
021314Interchangeable
interchangeable cross-reference
interchangeable
21314Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HA19?
HA19 is a SCREW,EXTERNALLY RELIEVED BODY.
What parts can replace HA19?
There are 24 known substitutes for HA19: 15501, KC9671, D7740-12-1 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HA19?
HA19 is cataloged in the Federal Logistics Information System (FLIS) under NSN 9540-00-720-1320. 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