4730-01-413-7557, NUT,UNION

National Stock Number:
4730-01-413-7557

Federal Supply Class:
4730

National Item Identification Number:
014137557

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:

6397434-025-9	96169	ELECTRIC BOAT CORPORATION
6397434-025-9L1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
6397434-X1XXXX ITEM 9L1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
7550478-6397434-025-9L1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
6397434-X1XXXX ITEM 9	53711	NAVAL SEA SYSTEMS COMMAND
7550478-6397434-025-9	53711	NAVAL SEA SYSTEMS COMMAND
803-6397434-X1XXXX ITEM 9L1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-6397434-X1XXXX-009L1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
G547-0002-6397434-025-9L1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-6397434-X1XXXX ITEM 9	53711	NAVAL SEA SYSTEMS COMMAND
803-6397434-X1XXXX-009	53711	NAVAL SEA SYSTEMS COMMAND
G547-0002-6397434-025-9	96169	ELECTRIC BOAT CORPORATION

Techincal Specification:

CRITICALITY CODE JUSTIFICATION	ZZZY
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	COPPER ALLOY 632 OVERALL
NOMINAL THREAD SIZE	1.3125 INCHES
NUT HEIGHT	0.656 INCHES NOMINAL
NUT STYLE	HEXAGON
SMALLEST INSIDE DIAMETER	0.950 INCHES NOMINAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
WIDTH ACROSS FLATS	1.531 INCHES NOMINAL
THREAD CLASS	2B
THREAD QUANTITY PER INCH	14
THREAD SERIES	UNS

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