Product Details | ASSEMBLED WASHER SCREW

5305-01-121-2689 A SCREW, (as modified) to which has been assembled one or more nonremovable washer(s).

Part Alternates: NAS720B84, NAS720B8-4, 5305-01-121-2689, 01-121-2689, 5305011212689, 011212689

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 04 NOV 1981 01-121-2689

Drawings & Photos | NSN 5305-01-121-2689


Cross Reference | NSN 5305-01-121-2689

Part Number Cage Code Manufacturer
NAS720B8-4 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-121-2689

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.164 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.202 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
FASTENER LENGTH 0.218 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
MATERIAL COPPER ALLOY 260 OR COPPER ALLOY 268 SECONDARY WASHER COPPER ALLOY 510 PRIMARY WASHER COPPER ALLOY 230 OR COPPER ALLOY 240 OR COPPER ALLOY 260 OR COPPER ALLOY 268 OR COPPER ALLOY 342 OR COPPER ALLOY 353 OR COPPER ALLOY 360 OR COPPER ALLOY 377 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION QQ-P-613 FED SPEC SINGLE MATERIAL RESPONSE SECONDARY WASHER QQ-P-750,COMP A FED SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER
SURFACE TREATMENT TIN OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH 55000 POUNDS PER SQUARE INCH
HEAD STYLE C33 PAN NO. 2
HEAD DIAMETER 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD HEIGHT 0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM
INTERNAL DRIVE STYLE D8 TORQUE SET
WASHER QUANTITY 2
PRIMARY WASHER STYLE G9 SPLIT HELICAL RING
PRIMARY WASHER OUTSIDE DIAMETER 0.293 INCHES MAXIMUM
PRIMARY WASHER MATERIAL THICKNESS 0.040 INCHES MINIMUM
SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHER NOT IDENTICAL
SECONDARY WASHER STYLE G30 FLAT
SECONDARY WASHER OUTSIDE DIAMETER 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM
SECONDARY WASHER MATERIAL THICKNESS 0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA 80205-NAS720 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 5305-01-121-2689

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
NMF Description 093460 BOLTS/NUTS NOI BBC/ZINC
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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

Management | NSN 5305-01-121-2689

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
H
EA : Each