National Item Identification Number
01-257-6937
012576937
4730-01-257-6937
4730012576937
National Stock Number
Item Name
NUT,UNION
Federal Supply Class
4730
Description
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.
Commercial and Government Entity Code (Supplier Data)
99565
CPV MANUFACTURING INC
851 N PRESTON ST
PHILADELPHIA
PA
19104
215-386-6508
03538
LOCKHEED MARTIN CORPORATION
DBA MS2 DIV MARITIME SYSTEMS &
497 ELECTRONICS PKWY 5 BLD
LIVERPOOL
NY
13088
315-456-2622
34712
OLDENBURG GROUP INCORPORATED
DBA OLDENBURG - LAKE SHORE DIV
900 W BREITUNG AVE
KINGSFORD
MI
49802
906-776-3213
80020
Reference Numbers (Part Numbers)
H850N-4-SS
0451B0023-1
0451B0023-1
6534C596-1
Required Categories
THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE
Required Description
UNF
0.438 INCHES
20
2B
RIGHT-HAND
STEEL COMP 304 OVERALL
NOT RATED
A371 H