Product Details | HEXAGON PLAIN NUT

5310-01-377-7320 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: MILS1222, MIL-S-1222, 16419, 164-19, 40398-4 FIND NO 25, 403984FINDNO25, 40444-4 FIND NO 25, 404444FINDNO25, 40490-9 FIND NO 25, 404909FINDNO25, 40506-4 FIND NO 25, 405064FINDNO25, 40506-9 ITEM 25, 405069ITEM25, 5310-01-377-7320, 01-377-7320, 5310013777320, 013777320

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 23 JUL 1993 01-377-7320

Drawings & Photos | NSN 5310-01-377-7320


Demand History | NSN 5310-01-377-7320

Part Number Request Date QTY Origin
164-19 2024-10-291 28 DIBBS
40506-9 ITEM 25 2024-10-291 28 DIBBS
164-19 2023-09-260 121 DIBBS
40506-9 ITEM 25 2023-09-260 121 DIBBS
164-19 2023-06-155 125 DIBBS
40506-9 ITEM 25 2023-06-155 125 DIBBS
164-19 2023-05-122 200 DIBBS
40506-9 ITEM 25 2023-05-122 200 DIBBS
164-19 2023-03-73 87 DIBBS
40506-9 ITEM 25 2023-03-73 87 DIBBS
164-19 2022-01-09 205 DIBBS
40506-9 ITEM 25 2022-01-09 205 DIBBS
164-19 2021-09-256 87 DIBBS
40506-9 ITEM 25 2021-09-256 87 DIBBS
40506-9 ITEM 25 2021-03-87 62 DIBBS
40506-9 ITEM 25 2020-10-278 89 DIBBS
40506-9 ITEM 25 2020-01-12 32 DIBBS
40506-9 ITEM 25 2019-11-321 27 DIBBS
5310-01-377-7320 2019-09-269 1 United States
40506-9 ITEM 25 2019-09-251 25 DIBBS
40506-9 ITEM 25 2019-05-141 28 DIBBS
40506-9 ITEM 25 2019-01-30 31 DIBBS
40506-9 ITEM 25 2019-01-13 32 DIBBS
5310-01-377-7320 2018-10-281 28 DIBBS
5310-01-377-7320 2017-10-299 28 DIBBS
MILS1222 2015-03-89 3000 BH
MILS1222 2014-08-230 1 US
5310-01-377-7320 2012-12-345 22 DIBBS
MILS1222 2012-07-209 4 United States
MILS1222 2012-03-74 1 US
MILS1222 2011-02-49 3 US
MILS1222 2011-02-49 4 US
MILS1222 2011-02-49 5 US
MILS1222 2011-02-49 10 US
MILS1222 2011-02-49 18 US
MILS1222 2011-02-49 35 US
MILS1222 2011-02-49 40 US
MILS1222 2011-02-49 42 US
MILS1222 2011-02-49 185 US
MILS1222 2011-02-49 195 US
5310-01-377-7320 2008-05-148 110 DIBBS
5310-01-377-7320 2008-05-134 90 DIBBS
5310-01-377-7320 2008-04-112 134 DIBBS
5310-01-377-7320 2008-02-36 23 DIBBS

Cross Reference | NSN 5310-01-377-7320

Part Number Cage Code Manufacturer
164-19 55378 TRAC REGULATORS INC
40398-4 FIND NO 25 55378 TRAC REGULATORS INC
40444-4 FIND NO 25 55378 TRAC REGULATORS INC
40490-9 FIND NO 25 55378 TRAC REGULATORS INC
40506-4 FIND NO 25 55378 TRAC REGULATORS INC
40506-9 ITEM 25 55378 TRAC REGULATORS INC

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Technical Data | NSN 5310-01-377-7320

Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE 0.312 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 304 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM F 594 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 65.0 ROCKWELL B MINIMUM AND 95.0 ROCKWELL B MAXIMUM
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED
TEMP RATING 1000.0 DEG FAHRENHEIT NOMINAL
SPECIAL FEATURES DATA EXPORT PROHIBITED
NONDEFINITIVE SPEC/STD DATA 1 TYPE
III END ITEM IDENTIFICATION VALVE

Restrictions/Controls & Freight Information | NSN 5310-01-377-7320

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
Less than truck load rating W Rating Variable
Water commodity Code 576 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 5310-01-377-7320

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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
A
EA : Each