NSN 5310-00-782-7556 MS21056L4K, R3000C4MK, RMLHTA552860048BC
Product Details | PLATE SELF-LOCKING NUT
5310-00-782-7556 A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.
Part Alternates: MS21056L4K, R3000C4MK, RMLHTA552860048BC, RMLHTA55-2860-048BC, T7C428BCM, K30014BC, K3001-4BC, 12720E048BC, 12720E-048BC, 5310-00-782-7556, 00-782-7556, 5310007827556, 007827556
Hardware and Abrasives | Nuts and Washers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 19 OCT 1973 | 00-782-7556 | 05280 ( NUT, SELF-LOCKING, PLATE ) |
Drawings & Photos | NSN 5310-00-782-7556
Demand History | NSN 5310-00-782-7556
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| MS21056L4K | 2020-06-162 | 15 | United States |
Cross Reference | NSN 5310-00-782-7556
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12720E-048BC | 56878 | SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION |
| 12720E-048BC | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP |
| K3001-4BC | 15653 | ALCOA GLOBAL FASTENERS, INC. |
| K3001-4BC | 75237 | ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS |
| MS21056L4K | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES |
| MS21056L4K | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS |
| R3000C4MK | 52828 | REPUBLIC FASTENER MFG. CORP. |
| RMLHTA55-2860-048BC | 019L2 | MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA |
| RMLHTA55-2860-048BC | 72962 | HARVARD INDUSTRIES INC |
| T7C428BCM | 11815 | SPS TECHNOLOGIES, LLC DBA CHERRY AEROSPACE DIV |
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Related Products | NSN 5310-00-782-7556
Technical Data | NSN 5310-00-782-7556
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | IRON ALLOY 660 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| HARDNESS RATING | 49.0 ROCKWELL C MAXIMUM |
| NUT STYLE | A121 PLATE |
| NUT LENGTH | 0.852 INCHES MAXIMUM |
| NUT HEIGHT | 0.281 INCHES MAXIMUM |
| PLATE THICKNESS | 0.055 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| NUT COUNTERBORE DEPTH | 0.062 INCHES MINIMUM NUT |
| COUNTERBORE DIAMETER | 0.254 INCHES MINIMUM NUT |
| LUBRICATION | DRY FILM LUBRICANT |
| NUT MOUNTING PROVISION | COUNTERSUNK HOLES |
| MOUNTING HOLE COUNTERSINK ANGLE | 98.0 DEGREES MINIMUM AND 102.0 DEGREES MAXIMUM |
| MOUNTING PROVISION LOCATION | OPPOSITE NUT PROJECTION SIDE |
| MOUNTING HOLE ARRANGEMENT STYLE | F53 2 HOLES |
| MOUNTING HOLE DIAMETER | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS21056L4K |
Restrictions/Controls & Freight Information | NSN 5310-00-782-7556
| 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 | 013540 | ALUM NUTS |
| Less than car load rating | ||
| Less than truck load rating | Q | 70.0 |
| 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 5310-00-782-7556
Air Force| Category | Code | Description |
|---|---|---|
| Budget Code | 9 | General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors. |
| Fund Code | SF | Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point. |
| Materiel Management Aggregation Code | SX | SX:AF SICA RESIDUAL MMAC-OC-ALC |
| Price Validation | V | The current standard price has been validated.
|
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DF | Department of the Air Force |
| Service Organization | F | U.S. Air Force |
| Reparability | N | Stock Fund (except Munitions) |
| 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 |