Product Details | FLAT WASHER

5310-01-111-3981 A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.

Part Alternates: 12292460-1, 5310-01-111-3981, 01-111-3981, 5310011113981, 122924601, 011113981

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 16 APR 1981 01-111-3981

Drawings & Photos | NSN 5310-01-111-3981


Demand History | NSN 5310-01-111-3981

Part Number Request Date QTY Origin
5310-01-111-3981 2021-09-14 365 DIBBS
5310-01-111-3981 2021-05-17 347 DIBBS
5310-01-111-3981 2021-05-09 347 DIBBS
5310-01-111-3981 2020-06-24 92 DIBBS
5310-01-111-3981 2020-04-28 176 DIBBS
5310-01-111-3981 2019-07-04 100 DIBBS
5310-01-111-3981 2019-03-24 100 DIBBS
5310-01-111-3981 2018-09-21 200 DIBBS
5310-01-111-3981 2018-09-13 200 DIBBS
5310-01-111-3981 2018-05-30 246 DIBBS

Cross Reference | NSN 5310-01-111-3981

Part Number Cage Code Manufacturer
12292460-1 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 5310-01-111-3981

Characteristic Specifications
MATERIAL STEEL COMP 4140 OR STEEL COMP 4130 OVERALL
HARDNESS RATING 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
HOLE DIAMETER 0.531 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 1.375 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.188 INCHES NOMINAL
SURFACE FINISH 125.0 MICROINCHES ALL SURFACES
MANUFACTURERS CODE 19207
DESIGN CONTROL REFERENCE 12292460-1

Restrictions/Controls & Freight Information | NSN 5310-01-111-3981

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 194160 WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating U 50
Less than truck load rating U 50.0
Water commodity Code 573 unknown
Originating Activity Code BF U.S. Army Armament and Chemical Acquisition and
Logistics Activity
Rock Island, IL 61299-6000
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 5310-01-111-3981

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic CodeM Armored Carriers
Weapons Systems/End Item or Homogeneous GroupMMInfantry Fighting Vehicle (M2, M2A1, M2A2), Cavelry Fighting Vehicle (M3, M3A1, M3A2)
Accounting Requirements CodeX 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 SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesJNOT 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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each