National Item Identification Number
01-417-2493
014172493
5305-01-417-2493
5305014172493
National Stock Number
Item Name
SCREW,CLOSE TOLERANCE
Federal Supply Class
5305
Description
A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
Commercial and Government Entity Code (Supplier Data)
1EM77
B & B SPECIALTIES INC
DBA G S AEROSPACE DIVISION DIV GS
4321 E LA PALMA AVE
ANAHEIM
CA
92807
714-985-3077
06725
06950
ALCOA GLOBAL FASTENERS INC
DIV CITY OF INDUSTRY OPERATIONS
13001 TEMPLE AVE
LA PUENTE
CA
91746
805-991-1270
27624
73197
60515
DYNAQUIP CONTROLS CORPORATION
10 HARRIS INDUSTRIAL PARK
SAINT CLAIR
MO
63077
636-629-3700
0ZC92
HEARTLAND PRECISION FASTENERS INC
301 PRAIRIE VILLAGE DR
NEW CENTURY
KS
66031
913-829-4447
76301
Reference Numbers (Part Numbers)
GS1006V4-18A
TX1026V4-18A
TX1026V4-18A
TX1026V4-18A
TX1026V4-18A
WC1169V-4-
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNJF
0.250 INCHES
28
3A
RIGHT-HAND
0.106 INCHES NOMINAL
1.216 INCHES MINIM