Product Details | RECTANGULAR PLAIN NUT

5310-01-099-6540 A nut, flat on top and bottom, having four flat sides of which two parallel sides are shorter than the other two. For items having a thickness (or height) exceeding two times the width, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.

Part Alternates: 642AS1181, 5310-01-099-6540, 01-099-6540, 5310010996540, 010996540

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 22 AUG 1980 01-099-6540

Drawings & Photos | NSN 5310-01-099-6540


Cross Reference | NSN 5310-01-099-6540

Part Number Cage Code Manufacturer
642AS1181 30003 NAVAL AIR SYSTEMS COMMAND

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Technical Data | NSN 5310-01-099-6540

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 4130 OVERALL EXCEPT THREADS STEEL COMP 304 THREADS
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-18729,COND N MIL SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT THREADS FED STD 66 FED SPEC SINGLE MATERIAL RESPONSE THREADS
SURFACE TREATMENT CADMIUM OVERALL EXCEPT INSERT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
HARDNESS RATING NOT RATED
NUT STYLE A14 PLAIN, RECTANGULAR
NUT LENGTH 1.000 INCHES NOMINAL
NUT HEIGHT 0.280 INCHES NOMINAL
NUT WIDTH 0.630 INCHES NOMINAL
COUNTERSINK ANGLE 120.0 DEGREES NOMINAL BASE
TEMP RATING NOT RATED
SPECIAL FEATURES INSERT/MS21209F4-10 AND ONE 30 DEGREE CHAMFER ON THE TOP PORTION RUNNING THE LENGTH OF THE NUT AND ONE 45 DEGREE CHAMFER ON THE BASE PORTION RUNNING THE LENGTH OF THE NUT
MANUFACTURERS CODE 30003
DESIGN CONTROL REFERENCE 642AS1181

Restrictions/Controls & Freight Information | NSN 5310-01-099-6540

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 5310-01-099-6540

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each