Product Details | ROUND SELF-LOCKING NUT

5310-01-127-2268 A nut, circular in shape, which may have wrenching facilities such as flats, holes, protusions, slots or splines in or on the periphery or in the face opposite the bearing surface. An integral feature is incorporated for locking on the threads of a mating member. Do not use if a more specific item name applies. Excludes COLLAR, PIN-RIVET, THREADED; INSERT, SCREW THREAD; NUT (1), SLEEVE; NUT(1), PLAIN, CAP; and TURNBUCKLE BODY.

Part Alternates: 23000009, 5310-01-127-2268, 01-127-2268, 5310011272268, 011272268

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 27 FEB 1982 01-127-2268

Drawings & Photos | NSN 5310-01-127-2268


Cross Reference | NSN 5310-01-127-2268

Part Number Cage Code Manufacturer
23000009 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
23000009 63005 ROLLS-ROYCE CORPORATION
23000009 72962 HARVARD INDUSTRIES INC
23000009 73342 ALLISON TRANSMISSION, INC.
23000009 97393 SHUR-LOK CORPORATION DBA SPS FASTENER DIVISION, A PCC

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Technical Data | NSN 5310-01-127-2268

Characteristic Specifications
THREAD SERIES M
NOMINAL THREAD SIZE 40.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS 1.50
THREAD CLASS 2B
THREAD TOLERANCE CLASS 4H5H INTERNAL
THREAD DIRECTION RIGHT-HAND
MATERIAL PLASTIC NYLON LOCKING INSERT STEEL COMP 1015 OR STEEL COMP 1020 OR STEEL COMP 1035 OR STEEL COMP 1212 OR STEEL COMP 1213 OR STEEL COMP 1117 OR STEEL COMP 1118 NUT
SURFACE TREATMENT PHOSPHATE OVERALL EXCEPT INSERT
HARDNESS RATING NOT RATED
NUT STYLE A76 ROUND
SMALL END DIAMETER 51.0 MILLIMETERS MAXIMUM
DRIVE POINT DEPTH 2.4 MILLIMETERS NOMINAL
NUT DIAMETER 56.0 MILLIMETERS NOMINAL
NUT THICKNESS 22.3 MILLIMETERS NOMINAL
DRIVE POINT WIDTH 6.0 MILLIMETERS MINIMUM
UNDERCUT THICKNESS 9.8 MILLIMETERS NOMINAL
DRIVE POINT QUANTITY 6
LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
COUNTERSINK ANGLE 90.0 DEGREES MINIMUM AND 120.0 DEGREES MAXIMUM FIRST END
TEMP RATING NOT RATED

Restrictions/Controls & Freight Information | NSN 5310-01-127-2268

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem 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:0Represents 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 CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
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 5310-01-127-2268

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesJNOT 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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative