NSN 5310-01-281-5644 18091BS0440, 18091B-S-0440, 6289041

5310-01-281-5644 A nut having an externally splined sleeve which holds it in position when forced into a hole of slightly smaller diameter.

Part Alternates: 18091BS0440, 18091B-S-0440, 6289041, 5310-01-281-5644, 01-281-5644, 5310012815644, 012815644

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	27 JUN 1988	01-281-5644	01861 ( NUT, PLAIN, SPLINE )

Part Number	Cage Code	Manufacturer
18091B-S-0440	06540	NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
18091B-S-0440	1YGB8	CAREY MANUFACTURING COMPANY, INC. DBA AMATOM ELECTRONIC HARDWARE
6289041	53711	NAVAL SEA SYSTEMS COMMAND

Thank you very much for the excellent service and professional customer care.

Ernie G. Honeywell

The service was excellent. I can think of no improvements to date that you can make regarding internet sales.

John L. Raytheon

The representative for WBParts was efficient & handled our request in a timely & professional manner.

Karen G. General Dynamics

Tried two other sources, neither of them responded, was all done online, never spoke to anyone.

Rex S. US Airforce

The response is quick and the price is often very good. We are completely satisfied.

Patricia S. NASA

NSNs for Compare ( up to 4 ): Add 5310-01-281-5644

Compare

5310-01-281-5645, 5310-01-281-5646, 5310-01-281-5830, 5310-01-281-5831, 5310-01-281-5832

Characteristic	Specifications
THREAD SERIES	UNC
NOMINAL THREAD SIZE	0.112 INCHES
THREAD QUANTITY PER INCH	40
THREAD CLASS	2B
THREAD DIRECTION	RIGHT-HAND
MATERIAL	STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 OR STEEL COMP 1040 OR STEEL COMP 1045 OR STEEL COMP 1050 OR STEEL COMP 1095 OR STEEL COMP 1213 OR STEEL COMP 1115 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1137 OR STEEL COMP 1141 OR STEEL COMP 1144 OR STEEL COMP 1151 OR STEEL COMP 1211 OR STEEL COMP 1212 OR STEEL COMP 1215 OR STEEL COMP 1330 OR STEEL COMP 1548 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633,TYPE 3,CL FE/ZN 25 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	NOT RATED
NUT STYLE	A62 SPLINE
PILOT DIAMETER	0.177 INCHES MINIMUM AND 0.181 INCHES MAXIMUM
PILOT LENGTH	0.025 INCHES NOMINAL
NUT DIAMETER	0.216 INCHES MINIMUM AND 0.222 INCHES MAXIMUM
NUT HEIGHT	0.085 INCHES NOMINAL
TEMP RATING	NOT RATED

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:	A	Item 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	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

Category	Code	Description
Stores Account Code	1	Marine Corps Stock Fund Account Item.
Combat Essentiality Code	5	Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management Code	B	All CommoditiesDefense Logistics Agency, (DLA,)
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.
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	Z	INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative

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	Z	INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative