NSN 5305-01-118-8867

Part Details | CLOSE TOLERANCE SCREW

5305-01-118-8867 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.

Alternate Parts: HT8043421, HT8043-4-21, HT8043421, HT8043-4-21, HT239P8421, HT239P8-4-21, BM19025421, BM19025-4-21, A147421, A147-4-21, BM19025421, BM19025-4-21, A147421, A147-4-21, HT239P8421, HT239P8-4-21, GB510L421, GB510L4-21, 106750421, 106750-4-21, 5305-01-118-8867, 01-118-8867, 5305011188867, 011188867

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 13, 198101-118-886729294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-118-8867
Part Number Cage Code Manufacturer
HT8043-4-2192215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT8043-4-2106950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT239P8-4-2173197HI-SHEAR CORPORATION
BM19025-4-2117446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
A147-4-2117446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
BM19025-4-2197928HUCK INTL INC
A147-4-2197928HUCK INTL INC
HT239P8-4-21L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
GB510L4-2126512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
106750-4-2180539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-01-118-8867
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.290 INCHES MINIMUM AND 0.357 INCHES MAXIMUM
FASTENER LENGTH1.612 INCHES MINIMUM AND 1.659 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM