Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-197-0770 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: 312450-001, 5305-01-197-0770, 01-197-0770, 5305011970770, 312450001, 011970770

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 18-DEC-84 01-197-0770

Drawings & Photos | NSN 5305-01-197-0770


Cross Reference | NSN 5305-01-197-0770

Part Number Cage Code Manufacturer
2829888-2 52088 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
312450-001 91417 HARRIS CORPORATION DBA GOVERNMENT COMMUNICATIONS

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Technical Data | NSN 5305-01-197-0770

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.112 INCHES
THREAD QUANTITY PER INCH 40
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
FASTENER LENGTH 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
MATERIAL STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385 OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C32 PAN
HEAD DIAMETER 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
HEAD HEIGHT 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
INTERNAL DRIVE STYLE D1 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
FIRST DIAMETER FROM HEAD 0.078 INCHES MINIMUM AND 0.082 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.209 INCHES MINIMUM AND 0.260 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5305-01-197-0770

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
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
No Freight Information