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		                             National Stock Number: 4720-01-650-8788
  Federal Supply Class: 4720
  National Item Identification Number: 016508788
  Description: HOSE,AIR DUCT
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  Manufacturer Information:
 | NAS520 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |  | NAS520-5-21 | 05399 | BEMCO, INC |  | NAS520-5-21 | 70628 | ARROWHEAD PRODUCTS CORP |  | NAS520-5-21 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |  | NAS522 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |  | NAS520-5-21 | 98891 | HBD INDUSTRIES, INC |   
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  Techincal Specification:
 | CROSS-SECTIONAL SHAPE STYLE | ROUND |  | INSIDE DIAMETER | 0.625 INCHES NOMINAL BOTH ENDS |  | OUTSIDE DIAMETER | 0.625 INCHES MINIMUM AND |   | 0.655 INCHES MAXIMUM BOTH ENDS |  | TEMP RATING | -65.0 DEG FAHRENHEIT AND |   | 450.0 DEG FAHRENHEIT |  | SPECIAL FEATURES | MATERIAL: RUBBER FLUOROSILICONE CLASS FQ OVERALL;CROSS-SECTIONAL LENGTH: 5.250 IN. NOM. |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | COUPLING, FLEXIBLE, LOW PRESSURE, 450 DEG AIR LINE |   
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