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L2-1 — HEAT EXCHANGER,AIR TO AIR,AIRCRA

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

L2-1: HEAT EXCHANGER,AIR TO AIR,AIRCRA.

HEAT EXCHANGER,AIR TO AIR,AIRCRA. Key specifications include width: 0.375 INCHES NOMINAL IN, height: 0.095 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN, length: 0.315 INCHES NOMINAL IN, material: STEEL COMP 303, corner_shape: SQUARE ALL CORNERS, flange_width: 0.3750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2940-00-141-9025, 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
L2-1
NSN: 2940-00-141-9025
NIINs: 001419025, 002184177, 002567943, 003828003, 006105044, 011748444, 013276057
FSC: 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
CAGE: 16662 — LIFT PARTS MFG CO INC DIV OF ECHLIN MFG CO THE (USA)
SPECIFICATIONS
width0.375 INCHES NOMINAL IN
height0.095 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
length0.315 INCHES NOMINAL IN
materialSTEEL COMP 303
corner_shapeSQUARE ALL CORNERS
flange_width0.3750 INCHES NOMINAL IN
hole_diameter0.126 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
overall_length2.2500 INCHES NOMINAL IN
shank_diameter0.275 INCHES NOMINAL IN
furnished_itemsLOCKNUT
effective_height0.052 INCHES NOMINAL IN
keyway_dimension0.0937 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN
NSN2940-00-141-9025
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEAT EXCHANGER,AIR TO AIR,AIRCRA TITLE COMPONENT PN L2-1 MFR HEAT EXCHANGER,AIR TO
SUBSTITUTES & CROSS-REFERENCES 10
219404Reference document
Same NSN cross-reference
Reference document — Secondary reference
39256CReference document
Same NSN cross-reference
Reference document — Secondary reference
PC212PReference document
Same NSN cross-reference
Reference document — Secondary reference
862836Reference document
Same NSN cross-reference
Reference document — Secondary reference
C21PReference document
Same NSN cross-reference
Reference document — Secondary reference
38218Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is L2-1?
L2-1 is a HEAT EXCHANGER,AIR TO AIR,AIRCRA.
What parts can replace L2-1?
There are 10 known substitutes for L2-1: 219404, 39256C, PC212P and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for L2-1?
L2-1 is cataloged in the U.S. Government catalog under NSN 2940-00-141-9025. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.