Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-550-2598 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Part Alternates: S1665616633, S1665-61663-3, 5305-00-550-2598, 00-550-2598, 5305005502598, 005502598

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-550-2598

Drawings & Photos | NSN 5305-00-550-2598


Cross Reference | NSN 5305-00-550-2598

Part Number Cage Code Manufacturer
S1665-61663-3 78286 SIKORSKY AIRCRAFT CORPORATION

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Technical Data | NSN 5305-00-550-2598

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.138 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.180 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
FASTENER LENGTH 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
MATERIAL STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C29 BINDING
HEAD DIAMETER 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
HEAD HEIGHT 0.078 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
INTERNAL DRIVE STYLE D14 SLOT
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 2
FIRST DIAMETER FROM HEAD 0.184 INCHES MINIMUM AND 0.186 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD 0.090 INCHES MINIMUM AND 0.095 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER 0.770 INCHES MINIMUM AND 0.810 INCHES MAXIMUM
SPECIAL FEATURES CADMIUM PLATE 0.00015 IN. THK
MANUFACTURERS CODE 78286
DESIGN CONTROL REFERENCE S1665-61663-3

Restrictions/Controls & Freight Information | NSN 5305-00-550-2598

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating U 50
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable