Product Details | SLEEVE NUT

5310-00-840-1975 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: 8401975, 5310-00-840-1975, 00-840-1975, 5310008401975, 008401975

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1962 00-840-1975

Drawings & Photos | NSN 5310-00-840-1975


Cross Reference | NSN 5310-00-840-1975

Part Number Cage Code Manufacturer
8401975 19204 ARMY UNITED STATES DEPARTMENT OF THE

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Technical Data | NSN 5310-00-840-1975

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 317 OVERALL
SURFACE TREATMENT PHOSPHATE OVERALL
HARDNESS RATING 88.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 92.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
NUT STYLE A33B SLEEVE
FLANGE DIAMETER 0.560 INCHES NOMINAL
FLANGE THICKNESS 0.125 INCHES NOMINAL
NUT DIAMETER 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
NUT LENGTH 0.334 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
NUT COUNTERBORE DEPTH 0.060 INCHES NOMINAL NUT
COUNTERBORE DIAMETER 0.263 INCHES MINIMUM AND 0.268 INCHES MAXIMUM NUT
COUNTERSINK ANGLE 120.0 DEGREES NOMINAL NUT
CROSS-SECTIONAL SHAPE ROUND W/SPLINES FLANGE
TEMP RATING NOT RATED
FEATURES PROVIDED CASEHARDENED
MANUFACTURERS CODE 19204
DESIGN CONTROL REFERENCE 8401975

Restrictions/Controls & Freight Information | NSN 5310-00-840-1975

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 U 50
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 5310-00-840-1975

Category Code Description
Cognizance Codes9HNavy-owned stocks of consumable material managed by the Army within the Army Armament Materiel Readiness Command
Naval Inventory Control Point, Mechanicsburg
Source of SupplyB14US Army Armament and Chemical Acquisition and Logistics
Activity
ATTN: AMSTA-AC
Rock Island, IL 61299-6000
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
1
EA : Each