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63-72 — TRANSFORMER,POWER AUTOTRANSFORME

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

63-72: TRANSFORMER,POWER AUTOTRANSFORME.

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include inside_width: 5.250 INCHES NOMINAL IN, inside_length: 7.250 INCHES NOMINAL IN, style_designator: HIGH-CUT DIAGONAL SEAM, supplementary_features: COLOR IS ENGRAVER GRAY, end_item_identification: AIRROUTE SURVEILLANCE RADAR, 4 (ARSR4). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-043-0521, 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→ 63-72
NSN: 5310-00-043-0521
NIINs: 000430521, 002332903, 002452758, 002624373, 002642652, 003516677, 005144459, 005410939, 005418018, 010147438, 010654311, 012364400, 012369085, 013262015, 016090653, 016323066
FSC: 5310 — Nuts and Washers
CAGE: 04939 — LOCKHEED MARTIN CORPORATION (USA)
SPECIFICATIONS
inside_width5.250 INCHES NOMINAL IN
inside_length7.250 INCHES NOMINAL IN
style_designatorHIGH-CUT DIAGONAL SEAM
supplementary_featuresCOLOR IS ENGRAVER GRAY
end_item_identificationAIRROUTE SURVEILLANCE RADAR, 4 (ARSR4)
NSN5310-00-043-0521
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 63-72 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B152 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: CADMIUM OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: COPPER OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B152 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTCADMIUM OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALCOPPER OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
THICKNESS0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
6372-11Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 63-72?
63-72 is a TRANSFORMER,POWER AUTOTRANSFORME. It is classified as a MRO (MRO_GENERAL).
What parts can replace 63-72?
There is 1 known substitute for 63-72: 6372-11. Substitute compatibility should be verified for your specific system.
What is the NSN for 63-72?
63-72 is cataloged in the U.S. Government catalog under NSN 5310-00-043-0521. This indicates validated use in U.S. government and defense supply chains.
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