NSN 5310-00-550-1378 271700, 00-550-1378, 005501378
Product Details | KEY WASHER
5310-00-550-1378 A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.
Part Alternates: 271700, 5310-00-550-1378, 00-550-1378, 5310005501378, 005501378
Hardware and Abrasives | Nuts and Washers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-550-1378 | 01869 ( WASHER, KEY ) |
Drawings & Photos | NSN 5310-00-550-1378
Demand History | NSN 5310-00-550-1378
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 271700 | 2025-10-287 | 60 | us |
Cross Reference | NSN 5310-00-550-1378
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 271700 | 03730 | GOULD E A AND CO |
| 271700 | 11449 | TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP |
| 271700 | 1J4P3 | UNISON ENGINE COMPONENTS-MANCHESTER CT INC. |
| 271700 | 27068 | TRIPLE A SPRING, LIMITED PARTNERSHIP DBA COLONIAL/HAN-DEE SPRING |
| 271700 | 59420 | DYNAMIC GUNVER TECHNOLOGIES LLC |
| 271700 | 77445 | UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS |
| 271700 | 81924 | ATOMIC ENERGY COMMISSION OAK RIDGE OPNS OFFICE |
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Technical Data | NSN 5310-00-550-1378
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 321 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYLE DESIGNATOR | 183 KEY |
| EXTERNAL KEY QUANTITY | 31 |
| INTERNAL KEY QUANTITY | 1 |
| HOLE DIAMETER | 3.030 INCHES MINIMUM AND 3.050 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 3.270 INCHES MINIMUM AND 3.290 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY LENGTH | 0.330 INCHES MINIMUM AND 0.370 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM |
| INTERNAL STRAIGHT KEY WIDTH | 0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| INTERNAL PREBENT KEY WIDTH | 0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 1.400 INCHES MINIMUM AND 1.420 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 3.340 INCHES MINIMUM AND 3.360 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.0270 INCHES MINIMUM AND 0.0295 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY ANGLE | 90.0 DEGREES NOMINAL |
| MANUFACTURERS CODE | 77445 |
| DESIGN CONTROL REFERENCE | 271700 |
Restrictions/Controls & Freight Information | NSN 5310-00-550-1378
| 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: | U | Precious metal type is unknown |
| 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 | 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 | XX | |
| 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 5310-00-550-1378
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 | J | NOT 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 Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |