Product Details | ROUND PLAIN NUT

5310-00-638-1126 A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. See also NUT (1), PLAIN, KNURLED. (When height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.

Part Alternates: S164061105, S1640-61105, 5310-00-638-1126, 00-638-1126, 5310006381126, 006381126

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-638-1126

Drawings & Photos | NSN 5310-00-638-1126


Cross Reference | NSN 5310-00-638-1126

Part Number Cage Code Manufacturer
S1640-61105 54878 ROTAIR INDUSTRIES, INC.
S1640-61105 78286 SIKORSKY AIRCRAFT CORPORATION

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Technical Data | NSN 5310-00-638-1126

Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE 2.250 INCHES
THREAD QUANTITY PER INCH 12
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL MAGNESIUM ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-M-31 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A72 ROUND
DRIVE POINT DEPTH 0.156 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
NUT DIAMETER 2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM
NUT THICKNESS 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
DRIVE POINT WIDTH 0.125 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
DRIVE POINT QUANTITY 6
COUNTERSINK ANGLE 109.5 DEGREES MINIMUM AND 110.5 DEGREES MAXIMUM NUT
TEMP RATING NOT RATED
MANUFACTURERS CODE 78286
DESIGN CONTROL REFERENCE S1640-61105

Restrictions/Controls & Freight Information | NSN 5310-00-638-1126

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:UPrecious 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 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 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 5310-00-638-1126

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
5
EA : Each