5310-00-054-6898 WASHER,FLAT Index 5330-00-054-6901 PACKING,PREFORMED

National Stock Number:
5305-00-054-6900

Federal Supply Class:
5305

National Item Identification Number:
000546900

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:
0N12436798230NATIONAL SECURITY AGENCY


Techincal Specification:
FASTENER LENGTH0.220 INCHES NOMINAL
HEAD DIAMETER0.280 INCHES MINIMUM AND 0.282 INCHES MAXIMUM
HEAD HEIGHT0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.138 INCHES
SHOULDER DIAMETER0.175 INCHES MINIMUM AND 0.180 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH0.069 INCHES MINIMUM AND 0.079 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.140 INCHES MINIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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