NSN 5310-00-903-3991 MS519702, MS51970-2, 2129051
Product Details | HEXAGON PLAIN NUT
5310-00-903-3991 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: MS519702, MS51970-2, 2129051, 212905-1 , 5310-00-903-3991, 00-903-3991, 5310009033991, 009033991
Hardware and Abrasives | Nuts and Washers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1960 | 00-903-3991 | 01857 ( NUT, PLAIN, HEXAGON ) |
Drawings & Photos | NSN 5310-00-903-3991
Demand History | NSN 5310-00-903-3991
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 5310-00-903-3991 | 2024-09-262 | 275 | DIBBS |
| 5310-00-903-3991 | 2023-12-339 | 275 | DIBBS |
| 5310-00-903-3991 | 2023-10-297 | 68 | DIBBS |
| 5310-00-903-3991 | 2023-06-165 | 40 | DIBBS |
| 5310-00-903-3991 | 2023-06-157 | 40 | DIBBS |
| 5310-00-903-3991 | 2023-03-81 | 253 | DIBBS |
| MS519702 | 2012-05-130 | 71 | US |
| MS519702 | 2010-02-47 | 10 | US |
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Related Products | NSN 5310-00-903-3991
Technical Data | NSN 5310-00-903-3991
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | COPPER ALLOY 462 OR COPPER ALLOY 464 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-637,COMP 462 OR 464 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | NOT RATED |
| NUT STYLE | A12 HEXAGON |
| NUT HEIGHT | 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.4890 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM |
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| TEMP RATING | NOT RATED |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS51970-2 |
Restrictions/Controls & Freight Information | NSN 5310-00-903-3991
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | U | Precious 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 | 093460 | BOLTS/NUTS NOI BBC/ZINC |
| Less than car load rating | ||
| Less than truck load rating | Q | 70.0 |
| Water commodity Code | 713 | unknown |
| Originating Activity Code | XX | |
| 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 5310-00-903-3991
Army
Air Force
Navy
Marines| Category | Code | Description |
|---|---|---|
| Materiel Category and Inventory Manager | T | Industrial Supplies (DLA/GSA Items) |
| Appropriation and Budget Activity | 2 | Stock Fund Secondary Items |
| Management Inventory Segment | 2 | NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable. |
| Specific Group/Generic Code | 0 | Medical Materiel |
| Weapons Systems/End Item or Homogeneous Group | 00 | DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item |
| Accounting Requirements Code | X | Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items. |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DA | Department of the Army |
| Service Organization | A | U.S. Army |
| Reparability | Z | This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item. |
| 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 |
| Category | Code | Description |
|---|---|---|
| Budget Code | 9 | General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors. |
| Fund Code | SF | Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point. |
| Materiel Management Aggregation Code | SX | SX:AF SICA RESIDUAL MMAC-OC-ALC |
| Price Validation | V | The current standard price has been validated.
|
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DF | Department of the Air Force |
| Service Organization | F | U.S. Air Force |
| Reparability | N | Stock Fund (except Munitions) |
| 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 |
| Category | Code | Description |
|---|---|---|
| Stores Account Code | 1 | Marine Corps Stock Fund Account Item. |
| Combat Essentiality Code | 2 | Non-Critical Repair Part. Repair parts or major components whose failure in an end item will not render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency, and which do not fit the definition of Code 3 or 4 items. |
| Materiel Management Code | I | Industrial MaterielDefense Industrial Supply Center (DISC) |
| Echelon Management Code | 2 | ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled. |
| Echelon Identification Code | K | Reserved |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DM | U.S. Marine Corps |
| Service Organization | M | U.S. Marine Corps |
| Reparability | Z | Nonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code. |
| Acquisition Advice Codes | T | CONDEMNED (NON-STOCKED ITEMS) Item is no longer authorized for procurement, issue, use or requisitioning. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
Q EA : Each |
| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | T | CONDEMNED (NON-STOCKED ITEMS) Item is no longer authorized for procurement, issue, use or requisitioning. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
Q EA : Each |