Product Details | SLEEVE NUT

5310-00-331-5257 An internally threaded item with a cylindrical and/or square, hexagonal, octagonal, or dodecagonal outer periphery (parallel to the threaded axis) a portion(s) of which may or may not be enlarged, forming a flange(s) and/or shoulder(s). Items not having an enlarged outer portion may be threaded, a part of the full length, or tapped from both ends. Items having an enlarged outer portion (flange(s) or shoulder(s)) may be threaded the full length, threaded a part of the full length, or tapped from both ends. Items tapped from both ends shall have either right-hand threads on both ends or left-hand threads on both ends. For items conforming to any of the above and having a length overall exceeding two times the largest outside diameter or width across flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. For items with an outside contour that is the same the full length, having a continuous thread through its entire length, and the length does not exceed two times the diameter or width across the flats use NUT (1), PLAIN (as modified). Excludes NUT (1), PLAIN, CAP. See also TURNBUCKLE BODY.

Part Alternates: 241109, 5310-00-331-5257, 00-331-5257, 5310003315257, 003315257

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-331-5257

Drawings & Photos | NSN 5310-00-331-5257


Demand History | NSN 5310-00-331-5257

Part Number Request Date QTY Origin
241109 2015-12-341 4 United States
241109 2014-05-128 1 United States

Cross Reference | NSN 5310-00-331-5257

Part Number Cage Code Manufacturer
241109 0KDP7 KIDDE-FENWAL INC DBA CHEMTRON KIDDE FIRE SYSTEMS
241109 16004 DAVEY COMPRESSOR CO DIV OF KECO INDUSTRIES INC
241109 5RQL2 DRS ENVIRONMENTAL SYSTEMS, INC. DBA D R S

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Technical Data | NSN 5310-00-331-5257

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3B
THREAD DIRECTION LEFT-HAND
MATERIAL STEEL OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A33A SLEEVE
FLANGE THICKNESS 0.125 INCHES NOMINAL
NUT DIAMETER 0.498 INCHES NOMINAL
NUT LENGTH 0.318 INCHES NOMINAL
FLANGE WIDTH ACROSS FLATS 0.750 INCHES NOMINAL
COUNTERSINK ANGLE 90.0 DEGREES NOMINAL NUT
CROSS-SECTIONAL SHAPE HEXAGONAL FIRST END ROUND SECOND END
TEMP RATING NOT RATED
SPECIAL FEATURES ONE HOLE,0.094 IN. DIA LOCATED 0.125 IN. FROM END OF NUT
MANUFACTURERS CODE 16004
DESIGN CONTROL REFERENCE 241109

Restrictions/Controls & Freight Information | NSN 5310-00-331-5257

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 5310-00-331-5257

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
F
EA : Each