Product Details | ELECTRICAL INSULATION SLEEVING

5970-01-423-2559 A rigid or flexible tubing having uniform inside and outside diameters in the overall length. It is specifically designed to prevent any undesirable flow of current between conductors and other objects. Includes shrinkable type tubing, items in bulk and in specific fabricated lengths (cut to size). Excludes items not having rated electrical characteristics. Also excludes BUSHING, SLEEVE; CABLE NIPPLE, ELECTRICAL; CONDUIT (as modified); INSULATION SLEEVING, ELECTRICAL, SPECIAL PURPOSE; INSULATION SLEEVING, THERMAL; SLEEVE, MARKER, CABLE; SLEEVING, TEXTILE, ELECTRICAL; TUBING, GLASS; and TUBING, NONMETALLIC.

Part Alternates: MILI631, MIL-I-631, 44791AB0020U9, 5970-01-423-2559, 01-423-2559, 5970014232559, 014232559

Electrical and Electronic Equipment Components | Electrical Insulators and Insulating Materials

Supply Group (FSG) NSN Assign. NIIN
59 19 DEC 1995 01-423-2559

Drawings & Photos | NSN 5970-01-423-2559


Demand History | NSN 5970-01-423-2559

Part Number Request Date QTY Origin
MILI631 2025-04-111 100 US
MILI631 2018-08-240 1 US
MILI631 2017-05-129 1 United States
MILI631 2014-06-154 1100 US
MIL-I-631 2014-05-136 2893 US
MILI631 2013-10-275 1 United States
5970-01-423-2559 2011-11-311 834 DIBBS
MILI631 2011-08-228 1 US
5970-01-423-2559 2011-07-199 10 DIBBS
MILI631 2009-11-321 2 Yemen
MILI631 2006-12-345 125 India
MILI631 2006-06-178 1 US

Cross Reference | NSN 5970-01-423-2559

Part Number Cage Code Manufacturer
44791AB0020U9 79500 WESTINGHOUSE ELECTRIC CORP
MIL-I-631 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5970-01-423-2559

Characteristic Specifications
STYLE DESIGNATOR A2 NONSHRINKABLE
WALL THICKNESS 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
INSIDE DIAMETER 2.000 INCHES MINIMUM AND 2.070 INCHES MAXIMUM
OVERALL LENGTH ANY ACCEPTABLE
MATERIAL PLASTIC, MIL-I-631, TYPE F, FORM U, GRADE C, CLASS 1, CATEGORY 1
COLOR WHITE
FLEXIBILITY FLEXIBLE
TEMP RATING 105.0 DEG CELSIUS
ENVIRONMENTAL PROTECTION FLAME RESISTANT AND MILDEW RESISTANT AND OIL RESISTANT
RELIABILITY INDICATOR NOT ESTABLISHED
NONDEFINITIVE SPEC/STD DATA F TYPE AND U FORM AND UA SUBFORM AND C GRADE AND 1 CLASS AND 2IN. SIZE
DEPARTURE FROM CITED DESIGNATOR AS MODIFIED BY COLOR
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-I-631

Restrictions/Controls & Freight Information | NSN 5970-01-423-2559

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
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 103300 INSULATING MATERIAL NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 72D unknown
Originating Activity Code CX Defense Supply Center Richmond
Richmond, VA 23297-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
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 5970-01-423-2559

Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code2Non-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 CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/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 SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice CodesZINSURANCE/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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
M
FT : Foot
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 CodesZINSURANCE/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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
M
FT : Foot