Product Details | HEXAGON SINGLE BALL SEAT SELF-LOCKING NUT

5310-00-044-5321 A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also NUT (1), SELF-LOCKING, CONE SEAT, HEXAGON.

Part Alternates: 21-19619B PIECE 10, 2119619BPIECE10, 2119619PC10, 21-19619PC10, 5310-00-044-5321, 00-044-5321, 5310000445321, 000445321

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 17 MAY 1968 00-044-5321

Drawings & Photos | NSN 5310-00-044-5321


Demand History | NSN 5310-00-044-5321

Part Number Request Date QTY Origin
21-19619B PIECE 10 2024-08-240 88 DIBBS
21-19619B PIECE 10 2019-11-328 430 DIBBS
21-19619B PIECE 10 2019-10-282 40 DIBBS
21-19619B PIECE 10 2019-09-272 40 DIBBS
21-19619B PIECE 10 2019-01-17 200 DIBBS
21-19619B PIECE 10 2019-01-08 128 DIBBS
5310-00-044-5321 2018-12-346 128 DIBBS
5310-00-044-5321 2018-06-172 225 DIBBS
5310-00-044-5321 2018-03-74 140 DIBBS
5310-00-044-5321 2017-09-260 119 DIBBS
5310-00-044-5321 2017-02-37 55 DIBBS
5310-00-044-5321 2015-08-235 148 DIBBS

Cross Reference | NSN 5310-00-044-5321

Part Number Cage Code Manufacturer
21-19619B PIECE 10 81412 TREADWELL CORPORATION
21-19619PC10 81412 TREADWELL CORPORATION

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Technical Data | NSN 5310-00-044-5321

Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE 0.875 INCHES
THREAD QUANTITY PER INCH 9
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A8 SINGLE BALL SEAT, HEXAGON
BALL SEAT RADIUS ANY ACCEPTABLE
NUT HEIGHT 0.995 INCHES NOMINAL
WIDTH ACROSS FLATS 1.250 INCHES NOMINAL
LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
TEMP RATING NOT RATED
MANUFACTURERS CODE 81412
DESIGN CONTROL REFERENCE 21-19619B PIECE 10

Restrictions/Controls & Freight Information | NSN 5310-00-044-5321

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 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 5310-00-044-5321

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
A
EA : Each