4730-00-536-9477 NUT,UNION Index 4920-00-536-9486 FIXTURE,AIRCRAFT MAINTENANCE

National Stock Number:
4730-00-536-9478

Federal Supply Class:
4730

National Item Identification Number:
005369478

Description:
NUT,UNION

Detail:
AN INTERNALLY THREADED NUT WHICH HAS AN INTERNAL SEAT OR SHOULDER DESIGNED TO ENGAGE THE NUT RETAINING FLANGE OF A UNION TAILPIECE. THE THREADED PORTION IS USED TO ENGAGE THE THREAD PIECE OF A UNION, UNION ELBOR OR THE LIKE. EXCLUDES NUT (1), TUBE COUPLING.


Manufacturer Information:
1909G28D86831SAFRAN ELECTRONICS & DEFENSE, AVIONICS USA, LLC
BACN10DT-G28D82918THE BOEING COMPANY


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE2.250 INCHES
NUT DIAMETER2.470 INCHES MINIMUM AND 2.530 INCHES MAXIMUM
NUT HEIGHT1.840 INCHES MINIMUM AND 1.900 INCHES MAXIMUM
NUT STYLEROUND
SPECIAL FEATURES6SPANNER SLOTS,0.437 IN.DIA
SHOULDER STEP WIDTH0.520 INCHES MINIMUM AND 0.580 INCHES MAXIMUM
SHOULDER WIDTH0.560 INCHES MINIMUM AND 0.620 INCHES MAXIMUM
SMALLEST INSIDE DIAMETER1.890 INCHES MINIMUM AND 1.893 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUN


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