NSN 5310-01-178-7420 AHO88255, 01-178-7420, 011787420
Product Details | RECESSED WASHER
5310-01-178-7420 A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.
Part Alternates: AHO88255, 5310-01-178-7420, 01-178-7420, 5310011787420, 011787420
Hardware and Abrasives | Nuts and Washers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 09 MAY 1984 | 01-178-7420 | 15933 ( WASHER, RECESSED ) |
Demand History | NSN 5310-01-178-7420
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| AHO88255 | 2023-12-03 | 126 | DIBBS |
| AHO88255 | 2023-09-27 | 281 | DIBBS |
| AHO88255 | 2018-11-29 | 219 | US |
| 5310-01-178-7420 | 2018-11-28 | 219 | DIBBS |
| 5310-01-178-7420 | 2017-12-14 | 219 | DIBBS |
| 5310-01-178-7420 | 2017-01-04 | 65 | DIBBS |
| 5310-01-178-7420 | 2015-04-02 | 223 | DIBBS |
| 5310-01-178-7420 | 2013-10-21 | 163 | DIBBS |
| 5310-01-178-7420 | 2013-10-06 | 163 | DIBBS |
| 5310-01-178-7420 | 2013-08-30 | 172 | DIBBS |
| 5310-01-178-7420 | 2013-08-15 | 116 | DIBBS |
| 5310-01-178-7420 | 2013-05-03 | 116 | DIBBS |
| 5310-01-178-7420 | 2012-05-30 | 218 | DIBBS |
| 5310-01-178-7420 | 2012-04-16 | 218 | DIBBS |
| 5310-01-178-7420 | 2012-03-29 | 218 | DIBBS |
| 5310-01-178-7420 | 2011-08-23 | 183 | DIBBS |
| 5310-01-178-7420 | 2011-02-28 | 172 | DIBBS |
| 5310-01-178-7420 | 2010-10-27 | 172 | DIBBS |
| 5310-01-178-7420 | 2010-05-04 | 172 | DIBBS |
| 5310-01-178-7420 | 2009-10-03 | 229 | DIBBS |
| 5310-01-178-7420 | 2009-09-04 | 85 | DIBBS |
| 5310-01-178-7420 | 2009-08-03 | 85 | DIBBS |
| 5310-01-178-7420 | 2009-05-30 | 86 | DIBBS |
| 5310-01-178-7420 | 2009-05-05 | 49 | DIBBS |
Cross Reference | NSN 5310-01-178-7420
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AHO88255 | K1037 | MEGGITT AEROSPACE LTD DBA MEGGITT AIRCRAFT BRAKING SYSTEMS |
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Related Products | NSN 5310-01-178-7420
Technical Data | NSN 5310-01-178-7420
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| MATERIAL DOCUMENT AND CLASSIFICATION | DS186-D87 BS1449-321S12,FSCM K1037 MFR REF SINGLE MATERIAL RESPONSE OR DS186-D87 BS970-321S12,FSCM K1037 MFR REF SINGLE MATERIAL RESPONSE |
| HARDNESS RATING | NOT RATED |
| HOLE DIAMETER | 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.875 INCHES NOMINAL |
| RECESS DIAMETER | 0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.026 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| RECESS ANGLE | 90.0 DEGREES NOMINAL |
Restrictions/Controls & Freight Information | NSN 5310-01-178-7420
| 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 | 194160 | WASHER OR GASKETS, IRON OR STEEL, |
| Less than car load rating | ||
| Less than truck load rating | U | 50.0 |
| 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 5310-01-178-7420
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 |
A EA : Each |