National Item Identification Number

01-443-8551
014438551
4730-01-443-8551
4730014438551

National Stock Number

Item Name

ELBOW,BOSS

Federal Supply Class

4730

Description

A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. The boss connections have external and/or internal machine threads (straight threads other than pipe or hose series), and are designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side or heel inlet(s). It is designed to join two bosses or boss fittings on items such as tanks, housings, valve fittings, and the like. Excludes ELBOW, TUBE.

Commercial and Government Entity Code (Supplier Data)

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43689

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03950

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NAVAL INVENTORY CONTROL POINT
MECHANICSBURG
5450 CARLISLE PIKE
2020
MECHANICSBURG
PA
17055
717-605-3500

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53711

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03950

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NAVAL INVENTORY CONTROL POINT
MECHANICSBURG
5450 CARLISLE PIKE
2020
MECHANICSBURG
PA
17055
717-605-3500

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Reference Numbers (Part Numbers)

257003 PIECE 129
257003 PIECE 129L1
508-6938922 SHT 5 ITEM F-16
508-6938922 S

Required Categories

REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
CRITICALITY CODE JUSTIFICATION

Required Description

QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATIO