NSN 5305-01-498-1978 MHC526, MHC531 PC 7, MHC531PC7
Product Details | THUMBSCREW
5305-01-498-1978 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: MHC526, MHC531 PC 7, MHC531PC7, 5305-01-498-1978, 01-498-1978, 5305014981978, 014981978
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 18 JUN 2002 | 01-498-1978 | 06673 ( THUMBSCREW ) |
Drawings & Photos | NSN 5305-01-498-1978
Demand History | NSN 5305-01-498-1978
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| MHC526 | 2025-04-112 | 84 | DIBBS |
| MHC531 PC 7 | 2025-04-112 | 84 | DIBBS |
| MHC526 | 2019-02-41 | 135 | DIBBS |
| MHC531 PC 7 | 2019-02-41 | 135 | DIBBS |
| 5305-01-498-1978 | 2018-10-281 | 38 | DIBBS |
| 5305-01-498-1978 | 2018-06-178 | 35 | DIBBS |
| 5305-01-498-1978 | 2016-03-82 | 62 | DIBBS |
| 5305-01-498-1978 | 2014-04-110 | 46 | DIBBS |
| 5305-01-498-1978 | 2012-10-296 | 114 | DIBBS |
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Related Products | NSN 5305-01-498-1978
Technical Data | NSN 5305-01-498-1978
| 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 | 0.750 INCHES NOMINAL |
| FASTENER LENGTH | 0.690 INCHES MINIMUM AND 0.810 INCHES MAXIMUM |
| MATERIAL | PLASTIC HEAD STEEL FASTENER |
| HEAD STYLE | C65 STAR KNOB |
| HEAD HEIGHT | 0.850 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 1.375 INCHES NOMINAL |
| III END ITEM IDENTIFICATION | FILTER, 12 INCH INLINE ENCLOSED AIRSEP |
Restrictions/Controls & Freight Information | NSN 5305-01-498-1978
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | A | Item 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. |
| Automatic Data Processing Equipment: | 0 | Represents 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 |
|---|---|---|
| NMF Description | 093486 | BOLTS,NUTS OR SCREWS, NOI (SUB 3) |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 573 | 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 5305-01-498-1978
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
Q EA : Each |