Product Details | MACHINE SCREW

5305-00-081-6668 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal 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. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.

Part Alternates: MS24693C02, MS24693-C02, MS24693S2, MS24693-S2, NASM24693S2, NASM24693-S2, AN507440R4, AN507-440R4, 41770856, 4177085-6, 440X25LGFLHD, 4-40X25LGFLHD, 55020944, 55-0209-4-4, 58694R1 , 60087110, 7409346 , 99555R1, 99555-R1 , 5305-00-081-6668, 00-081-6668, 5305000816668, 000816668

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-081-6668

Drawings & Photos | NSN 5305-00-081-6668


Demand History | NSN 5305-00-081-6668

Part Number Request Date QTY Origin
MS24693S2 2025-04-106 4 TR
MS24693S2 2023-06-165 200 us
MS24693S2 2022-02-48 5 United States
5305-00-081-6668 2019-02-43 217 DIBBS
5305-00-081-6668 2018-09-262 226 DIBBS
AN507440R4 2018-07-212 20250 US
5305-00-081-6668 2018-04-107 226 DIBBS
5305-00-081-6668 2018-01-02 264 DIBBS
5305-00-081-6668 2017-09-268 231 DIBBS
5305-00-081-6668 2017-06-163 231 DIBBS
5305-00-081-6668 2017-06-159 2 US
5305-00-081-6668 2015-12-356 866 DIBBS
5305-00-081-6668 2015-07-201 866 DIBBS
MS24693-S2 2014-08-225 40 United States
5305-00-081-6668 2012-03-68 4 United States
MS24693S2 2008-06-177 100 United States
5305-00-081-6668 2008-06-172 50 US
MS24693S2 2007-08-241 20 Malaysia
5305-00-081-6668 2007-05-137 300 United States

Cross Reference | NSN 5305-00-081-6668

Part Number Cage Code Manufacturer
4-40X25LGFLHD 08289 THE DELBERT BLINN CO INC
4177085-6 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
55-0209-4-4 72914 GRIMES AEROSPACE COMPANY DBA HONEYWELL
60087110 30669 E AND R ELECTRONICS INC DBA DUMONT OSCILLOSCOPE
AN507-440R4 81352 AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS
AN507-440R4 88040 U S CHALLENGE CO
AN507-440R4 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
MS24693-C02 19606 DONG, LILY Q DBA USE CAGE CODE 4G0E3 FOR
MS24693-S2 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS24693S2 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS24693S2 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
NASM24693-S2 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-00-081-6668

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 0.200 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
FASTENER LENGTH 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
SCREW MATERIAL STEEL COMP 1010 OR STEEL
SCREW MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-630 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-631 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-634 FED SPEC 1ST MATERIAL RESPONSE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE
MINIMUM TENSILE STRENGTH 55000 POUNDS PER SQUARE INCH
HEAD STYLE A39 FLAT COUNTERSUNK
HEAD DIAMETER 0.191 INCHES MINIMUM AND 0.225 INCHES MAXIMUM
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE B1 CROSS RECESS TYPE 1

Restrictions/Controls & Freight Information | NSN 5305-00-081-6668

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:FThe item is an Aviation Critical Safety Item/Flight Safety Critical Aircraft Part ((ACSI/FSCAP).
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information

Management | NSN 5305-00-081-6668

Category Code Description
Cognizance Codes9ZNavy-owned stocks of defense industrial material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9IDefense Industrial Supply Center
Philadelphia, PA 19111
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
H
EA : Each