NSN 5310-01-221-4201 2641-405-01 ITEM 39, 2641-405-01 ITEM 39CP, 264140501ITEM39
Product Details | FLAT WASHER
5310-01-221-4201 A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.
Part Alternates: 2641-405-01 ITEM 39, 2641-405-01 ITEM 39CP, 264140501ITEM39, 264140501ITEM39CP, 2641-809-40 ITEM 56, 2641-809-40 ITEM 56CP, 264180940ITEM56, 264180940ITEM56CP, 5310-01-221-4201, 01-221-4201, 5310012214201, 012214201
Hardware and Abrasives | Nuts and Washers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 28 NOV 1985 | 01-221-4201 | 13393 ( WASHER, FLAT ) |
Demand History | NSN 5310-01-221-4201
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 5310-01-221-4201 | 2025-10-297 | 326 | DIBBS |
| 5310-01-221-4201 | 2025-10-289 | 326 | DIBBS |
| 5310-01-221-4201 | 2025-09-259 | 213 | DIBBS |
| 5310-01-221-4201 | 2024-06-154 | 124 | DIBBS |
| 5310-01-221-4201 | 2024-05-123 | 73 | DIBBS |
| 12214201CP | 2023-04-114 | 3 | DIBBS |
| 5310-01-221-4201 | 2019-12-343 | 150 | DIBBS |
| 5310-01-221-4201 | 2019-05-140 | 84 | DIBBS |
| 5310-01-221-4201 | 2019-04-107 | 84 | DIBBS |
| 5310-01-221-4201 | 2016-05-126 | 75 | DIBBS |
| 5310-01-221-4201 | 2016-04-118 | 75 | DIBBS |
Cross Reference | NSN 5310-01-221-4201
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Technical Data | NSN 5310-01-221-4201
| Characteristic | Specifications |
|---|---|
| MATERIAL | PLASTIC ACETAL OVERALL |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | REQUIRES SPECIAL CLEANING AND PACKAGING FOR OXY. AND NITROGEN SERVICE |
| CRITICALITY CODE JUSTIFICATION | ZZZY |
| MANUFACTURERS CODE | 96169 |
| DESIGN CONTROL REFERENCE | 2641-809-40 ITEM 56 |
Restrictions/Controls & Freight Information | NSN 5310-01-221-4201
| 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: | S | The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. |
| 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 | 576 | unknown |
| Originating Activity Code | HD | Naval Inventory Control Point Mechanicsburg, PA 17055-0788 |
| 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 5310-01-221-4201
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Special Material ID | CP | An item that requires special cleaning and packaging for oxygen/nitrogen service (e.g, valves, piping systems, generators). |
| 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 | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
A EA : Each |