Product Details | RECESSED WASHER

5310-01-165-2491 A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.

Part Alternates: LD15300280004, LD153-0028-0004, 5310-01-165-2491, 01-165-2491, 5310011652491, 011652491

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 27 OCT 1983 01-165-2491

Drawings & Photos | NSN 5310-01-165-2491


Demand History | NSN 5310-01-165-2491

Part Number Request Date QTY Origin
5310-01-165-2491 2020-11-327 73 DIBBS
5310-01-165-2491 2020-10-302 142 DIBBS
5310-01-165-2491 2015-12-341 606 DIBBS
5310-01-165-2491 2015-11-330 606 DIBBS
5310-01-165-2491 2009-05-151 501 DIBBS
5310-01-165-2491 2009-05-125 471 DIBBS
5310-01-165-2491 2009-02-54 169 DIBBS

Cross Reference | NSN 5310-01-165-2491

Part Number Cage Code Manufacturer
LD153-0028-0004 43999 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 5310-01-165-2491

Characteristic Specifications
MATERIAL IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATOR 15 RECESS
HOLE DIAMETER 0.252 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
OUTSIDE DIAMETER 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM
RECESS DIAMETER 0.282 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
MATERIAL THICKNESS 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
RECESS ANGLE 90.0 DEGREES NOMINAL
SPECIAL FEATURES CHAMFER OUTSIDE LEFT EDGE 0.030 IN. MIN,0.070 IN. MAX
III MINIMUM TENSILE STRENGTH 140000 POUNDS PER SQUARE INCH
MANUFACTURERS CODE 43999
DESIGN CONTROL REFERENCE LD153-0028-0004

Restrictions/Controls & Freight Information | NSN 5310-01-165-2491

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
Less than truck load rating U 50.0
Water commodity Code 713 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 5310-01-165-2491

Category Code Description
Budget Code9 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.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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
EA : Each