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12279000 — HEAT EXCHANGER,RADAR

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

12279000: HEAT EXCHANGER,RADAR.

The HEAT EXCHANGER,RADAR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 462 AND COPPER ALLOY 485 OVERALL, thickness: 0.135 INCHES NOMINAL IN, hole_diameter: 0.328 INCHES NOMINAL IN, overall_diameter: 0.625 INCHES NOMINAL IN, special_features: ITEM USED ON XM1, fsc_application_data: AN/APY-1. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-079-2975, 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
MRO→ MRO_GENERAL→ 12279000
NSN: 5310-01-079-2975
NIINs: 010792975, 011369232
FSC: 5310 — Nuts and Washers
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialCOPPER ALLOY 462 AND COPPER ALLOY 485 OVERALL
thickness0.135 INCHES NOMINAL IN
hole_diameter0.328 INCHES NOMINAL IN
overall_diameter0.625 INCHES NOMINAL IN
special_featuresITEM USED ON XM1
fsc_application_dataAN/APY-1
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationE-3A AWACS AIRCRAFT A
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-B-637,COND 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-079-2975
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12279000 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OVERALL DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-637,COND 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: COPPER ALLOY 462 AND COPPER ALLOY 485 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.328 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.625 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637,COND 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESITEM USED ON XM1
PERIPHERAL SHAPE STYLEROUND
MATERIALCOPPER ALLOY 462 AND COPPER ALLOY 485 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.328 INCHES NOMINAL IN
THICKNESS0.135 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12279000?
12279000 is a HEAT EXCHANGER,RADAR. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 12279000?
12279000 is cataloged in the U.S. Government catalog under NSN 5310-01-079-2975. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
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.