7644-01-627-4429 DIGITAL GEOSPATIAL PRODUCTS 5305-01-627-3434 SCREW,MACHINE

National Stock Number:
5305-01-627-8319

Federal Supply Class:
5305

National Item Identification Number:
016278319

Description:
SCREW,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
JSFB5081755LOCKHEED MARTIN CORPORATION
JSFB50-16-10316258SPACE-LOK, INC.
JSFB50-16-10381755LOCKHEED MARTIN CORPORATION
JSFB50-16-10384256AVIBANK MFG., INC.


Techincal Specification:
FASTENER LENGTH7.670 INCHES MINIMUM AND 7.690 INCHES MAXIMUM
FEATURES PROVIDEDDRY FILM LUBRICANT
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM LOCKING FEATURE
HEAD DIAMETER1.733 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
HEAD HEIGHT0.553 INCHES MINIMUM AND 0.569 INCHES MAXIMUM
HEAD STYLEFLAT FILLISTER
INTERNAL DRIVE STYLETORX
LOCKING FEATUREDETENT BALL LOCKING FEATURE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5630 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5962 OR AMS 5662 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5678 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE SPRING
MATERIALNICKEL ALLOY 718 FASTENER
MATERIALSTEEL COMP 440C LOCKING FEATURE
MATERIALSTEEL COMP 631 SPRING
III PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT, SHOULDER, PAN HEAD, SELF RETAINING
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.8750 INCHES
SHOULDER DIAMETER0.9986 INCHES MINIMUM AND 0.9991 INCHES MAXIMUM ALL SHOULDERS
SHOULDER LENGTH1.197 INCHES NOMINAL ALL SHOULDERS
SHOULDER SHAPEROUND ALL SHOULDERS
SPLINE MAJOR DIAMETER0.519 INCHES MINIMUM
SPECIAL FEATURESSCREW FEATURES CRES 303 PLUG PER ASTM A581 OR ASTM A582. DRY FILM LUBRICANT IAW AS5272 TYPE 1, FOR THE SPINDLE. INTENDED FOR USE WITH JSFN08 NUT.
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2700 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE SPRING
SURFACE TREATMENTPASSIVATE SPRING
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.785 INCHES NOMINAL
THREAD QUANTITY PER INCH14
THREAD SERIES DESIGNATORUNJF


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