Product Details | RECESSED WASHER

5310-01-438-2307 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: BACW10A6CCU, BACW10CA6CCU, K299136NF, K29913-6NF, 701916U, 70191-6U, 9420106, 942010-6, 5310-01-438-2307, 01-438-2307, 5310014382307, 014382307

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 03 NOV 1996 01-438-2307

Drawings & Photos | NSN 5310-01-438-2307


Demand History | NSN 5310-01-438-2307

Part Number Request Date QTY Origin
70191-6U 2019-03-66 198 DIBBS
942010-6 2019-03-66 198 DIBBS
K29913-6NF 2019-03-66 198 DIBBS
70191-6U 2019-02-58 198 DIBBS
942010-6 2019-02-58 198 DIBBS
K29913-6NF 2019-02-58 198 DIBBS
5310-01-438-2307 2016-07-213 12 DIBBS
5310-01-438-2307 2016-06-181 21 DIBBS
5310-01-438-2307 2016-04-118 1 DIBBS
5310-01-438-2307 2016-03-68 1 DIBBS
5310-01-438-2307 2016-02-60 1 DIBBS
5310-01-438-2307 2015-04-117 20 DIBBS
5310-01-438-2307 2014-08-216 2 DIBBS
5310-01-438-2307 2014-07-203 2 DIBBS
5310-01-438-2307 2010-03-86 200 DIBBS

Cross Reference | NSN 5310-01-438-2307

Part Number Cage Code Manufacturer
70191-6U 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
942010-6 60119 MONADNOCK COMPANY THE DBA LISI AEROSPACE
BACW10A6CCU 81205 THE BOEING COMPANY DBA BOEING
BACW10CA6CCU 81205 THE BOEING COMPANY DBA BOEING
K29913-6NF 15653 ALCOA GLOBAL FASTENERS, INC.

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Technical Data | NSN 5310-01-438-2307

Characteristic Specifications
MATERIAL STEEL COMP 630 OR STEEL COMP 631 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5643 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5528 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR 38 RECESSED
HOLE DIAMETER 0.520 INCHES MINIMUM AND 0.530 INCHES MAXIMUM
RADIUS 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
OUTSIDE DIAMETER 0.795 INCHES MINIMUM AND 0.805 INCHES MAXIMUM
OVERALL HEIGHT 0.135 INCHES MINIMUM AND 0.155 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5310-01-438-2307

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 194120 WASHERS/GASKETS/PCKG DVCS NOI
Less than car load rating W Rating Variable
Less than truck load rating W Rating Variable
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 5310-01-438-2307

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.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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
Q
EA : Each
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 CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each