NSN 5310-01-641-7660 MS3569139, MS35691-39 , MS3569139D4
Product Details | HEXAGON PLAIN NUT
5310-01-641-7660 A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.
Part Alternates: MS3569139, MS35691-39 , MS3569139D4, MS35691-39D4 , 050020UNF2BCRES, 050020UNF2BCRESD4, 122-7064174 FN33 , 122-7064174 FN33D4 , 1227064174FN33, 1227064174FN33D4, 0.500-20UNF-2B CRES , 0.500-20UNF-2B CRESD4 , 5310-01-641-7660, 01-641-7660, 5310016417660, 016417660
Hardware and Abrasives | Nuts and Washers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 2015033 | 01-641-7660 | 01857 ( NUT, PLAIN, HEXAGON ) |
Demand History | NSN 5310-01-641-7660
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| MS3569139 | 2025-11-308 | 10 | United States |
| MS3569139 | 2017-08-221 | 100 | US |
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Technical Data | NSN 5310-01-641-7660
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNC |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| NUT STYLE | HEXAGON |
| NUT HEIGHT | 0.302 INCHES MINIMUM AND |
| WIDTH ACROSS FLATS | 0.736 INCHES MINIMUM AND |
| BEARING SURFACE TYPE | FLAT |
| DEPARTURE FROM CITED DESIGNATOR | MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES |
| CRITICALITY CODE JUSTIFICATION | ZZZX |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT,JAM,HEX |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS35691-39 |
Restrictions/Controls & Freight Information | NSN 5310-01-641-7660
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | S | The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. |
| Automatic Data Processing Equipment: | 0 | Represents 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 |
|---|---|---|
| No Freight Information | ||
Management | NSN 5310-01-641-7660
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 1H | Consumable material assigned to NAVICP MECH for inventory management Naval Inventory Control Point, Mechanicsburg |
| Special Material ID | D4 | An item that supports the Deep Submergence Program and is considered Scope of Certification MCD "B" material. Each item has undergone Receipt Inspection to insure it meets the requirements of the applicable specification and /or drawing and is certified for use in DSS-SOC applications. Items shall have 10.3-140 CODEIDENTIFIES ITEMS WITH PREDOMINANT APPLICATION TO:serialization markings identified on a securely attached Ready For Issue (RFI) tag. |
| Special Material Content | 9 | Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions |
| Source of Supply | NRP | NAVICP-ERP 700 Robbins Avenue Philadelphia, PA 19111-5098 |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Reparability | M | Medium Demand Velocity Items (consumables) |
| Acquisition Advice Codes | J | NOT 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 Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |