Product Details | SPACING THREADED STANDOFF

5340-01-629-3257 A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see STUD (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see NUT (as modified); use maximum dimensions(s) for compliance.

Part Alternates: H861800042, H861-8000-42 , 721821729542, 721-8217295-42 , 5340-01-629-3257, 01-629-3257, 5340016293257, 016293257

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 2014176 01-629-3257

Cross Reference | NSN 5340-01-629-3257

Part Number Cage Code Manufacturer
721-8217295-42 53711 NAVAL SEA SYSTEMS COMMAND
H861-8000-42 96169 ELECTRIC BOAT CORPORATION

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Technical Data | NSN 5340-01-629-3257

Characteristic Specifications
MATERIAL NICKEL ALLOY 400 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281, CL-A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE HEXAGON
CROSS-SECTIONAL LENGTH 0.750 INCHES NOMINAL
WIDTH ACROSS FLATS 0.750 INCHES NOMINAL
LENGTH 0.380 INCHES NOMINAL
NOMINAL THREAD SIZE 0.375 INCHES RIGHT INTERNAL
THREAD QUANTITY PER INCH 16 RIGHT INTERNAL
THREAD CLASS 3B RIGHT INTERNAL
THREAD DIRECTION RIGHT-HAND RIGHT INTERNAL
THREAD LENGTH 0.370 INCHES NOMINAL RIGHT INTERNAL
III END ITEM IDENTIFICATION BRACKET ASSEMBLY
PART NAME ASSIGNED BY CONTROLLING AGENCY NUT, HEX STOP

Restrictions/Controls & Freight Information | NSN 5340-01-629-3257

Category Code Description
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
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.
Category Code Description
NMF Description 095190 HARDWARE, NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 5340-01-629-3257

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