Product Details | THUMBSCREW

5305-01-190-6655 An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).

Part Alternates: 12292635, 5305-01-190-6655, 01-190-6655, 5305011906655, 011906655

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 29 SEP 1984 01-190-6655

Drawings & Photos | NSN 5305-01-190-6655


Cross Reference | NSN 5305-01-190-6655

Part Number Cage Code Manufacturer
12292635 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 5305-01-190-6655

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.500 INCHES NOMINAL
FASTENER LENGTH 0.630 INCHES NOMINAL
MATERIAL STEEL COMP 316 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C66 KNURLED NO. 1
HEAD DIAMETER 0.620 INCHES NOMINAL
HEAD HEIGHT 0.250 INCHES NOMINAL
POINT STYLE F22 POINTLESS
SHOULDER SHAPE ROUND OVERALL
SPECIAL FEATURES FASTNER CHAMFERED 0.05IN BY 45 DEGREES; HEAD IS 96 DP RAISED DIAMOND KNURL
MANUFACTURERS CODE 19207
DESIGN CONTROL REFERENCE 12292635

Restrictions/Controls & Freight Information | NSN 5305-01-190-6655

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 096640 SCREWS, IRON OR STEEL
Less than car load rating Q 70
Less than truck load rating Q 70.0
Water commodity Code 713 unknown
Originating Activity Code BF U.S. Army Armament and Chemical Acquisition and
Logistics Activity
Rock Island, IL 61299-6000
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 5305-01-190-6655

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 CodeM Armored Carriers
Weapons Systems/End Item or Homogeneous GroupMMInfantry Fighting Vehicle (M2, M2A1, M2A2), Cavelry Fighting Vehicle (M3, M3A1, M3A2)
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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative