Product Details | PLATE SELF-LOCKING NUT

5310-00-326-5257 A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

Part Alternates: ST4M133325, ST4M133-3-25, WSI33325D, WSI333-25D, 5310-00-326-5257, 00-326-5257, 5310003265257, 003265257

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 03 DEC 1973 00-326-5257

Drawings & Photos | NSN 5310-00-326-5257


Cross Reference | NSN 5310-00-326-5257

Part Number Cage Code Manufacturer
ST4M133-3-25 76301 BOEING COMPANY, THE DBA BOEING
WSI333-25D 04169 ATLAS CORP WESTERN SKY INDUSTRIES DIV

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Technical Data | NSN 5310-00-326-5257

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.190 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL CORROSION RESISTING LOCKING INSERT ALUMINUM ALLOY 2219 SHELL
MATERIAL DOCUMENT AND CLASSIFICATION AMS7245 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT QQ-A-367,T6 FED SPEC SINGLE MATERIAL RESPONSE SHELL
SURFACE TREATMENT ZINC LOCKING INSERT CHROMATE SHELL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE SHELL
HARDNESS RATING NOT RATED
NUT STYLE A128 PLATE
NUT LENGTH 1.310 INCHES MINIMUM AND 1.330 INCHES MAXIMUM
DISTANCE FROM BASE TO CENTER OF APERTURE 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
NUT HEIGHT 0.750 INCHES NOMINAL
PLATE THICKNESS 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM
PLATE WIDTH 1.570 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE WITH METALLIC INSERT
NUT MOUNTING PROVISION STRAIGHT HOLES
MOUNTING HOLE ARRANGEMENT STYLE F8 3 HOLES
MOUNTING HOLE DIAMETER 0.123 INCHES MINIMUM AND 0.133 INCHES MAXIMUM
DISTANCE FROM MOUNTING HOLE CENTER TO BASE 0.250 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH 0.555 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
TEMP RATING 350.0 DEG FAHRENHEIT NOMINAL
MANUFACTURERS CODE 76301
DESIGN CONTROL REFERENCE ST4M133-3-25

Restrictions/Controls & Freight Information | NSN 5310-00-326-5257

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 013540 ALUM NUTS
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 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