5305-01-537-1847, SCREW,CLOSE TOLERANCE

4720-01-537-1848 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
5305-01-537-1847

Federal Supply Class:
5305

National Item Identification Number:
015371847

Description:
SCREW,CLOSE TOLERANCE

Detail:
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.

Manufacturer Information:

CA21351-4-14RS

29372

HOWMET GLOBAL FASTENING SYSTEMS INC.

Techincal Specification:

COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM
FASTENER LENGTH	1.797 INCHES NOMINAL
GRIP DIAMETER	0.249 INCHES NOMINAL
GRIP LENGTH	0.991 INCHES MINIMUM AND 1.130 INCHES MAXIMUM
HEAD DIAMETER	0.435 INCHES NOMINAL
HEAD STYLE	FLAT COUNTERSUNK
LOCKING FEATURE	DETENT RING LOCKING FEATURE
MATERIAL DOCUMENT AND CLASSIFICATION	MS5731 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR AMS5737 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OVERALL
MINIMUM TENSILE STRENGTH	2845 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	STUD BOLT
POINT DIAMETER	0.211 INCHES MINIMUM AND 0.216 INCHES MAXIMUM
POINT LENGTH	0.100 INCHES NOMINAL
POINT STYLE	CHAMFER DOG
POINT CHAMFER ANGLE	45.0 DEGREES NOMINAL
SINGLE SHEAR STRENGTH	4140 POUNDS PER SQUARE INCH
SPECIAL FEATURES	DRIVE STYLE IS: RADIAL-SLOT RECESS/ FAIRCHILD AEROSPACE, NOT LISTED THIS FIIG. BORED HOLE, THREADED END, 0.130 IN DIA, 0.620 IN DP; WIRE FORM HOLD-OUT SPRING INSERTED; 2 LEAD THREAD.
SUPPLEMENTARY FEATURES	STUD BOLTS SHALL HAVE POLYPROPLENE HEAD PROTECTIVE RING INSTALLED FOR SHIPPING, CUSTOMER TO REMOVE RING BEFORE INSTALLING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS QQ-P-35 NATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.567 INCHES MINIMUM AND 0.706 INCHES MAXIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNF

Click here to Register for Free 30-day Trial