Product Details | RETAINING RING

5325-00-721-8963 A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see PUSH ON NUT. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also CLIP, RETAINING and PIN, LOCK. Excludes RING, CONNECTING, ROUND.

Part Alternates: RR400, RR-400, 518C20385, 518C203-85, 518C2038579, 518C203-85-79, 6260019279, 626-001-9279, 9079200053, 907920-0053, 5325-00-721-8963, 00-721-8963, 5325007218963, 007218963

Hardware and Abrasives | Fastening Devices

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-721-8963

Drawings & Photos | NSN 5325-00-721-8963


Demand History | NSN 5325-00-721-8963

Part Number Request Date QTY Origin
518C203-85 2024-01-04 470 DIBBS
518C203-85-79 2024-01-04 470 DIBBS
626-001-9279 2024-01-04 470 DIBBS
RR400 2024-01-04 470 DIBBS
518C203-85 2022-07-06 122 DIBBS
518C203-85-79 2022-07-06 122 DIBBS
626-001-9279 2022-07-06 122 DIBBS
RR400 2022-07-06 122 DIBBS
518C203-85 2020-04-05 110 DIBBS
518C203-85-79 2020-04-05 110 DIBBS
626-001-9279 2020-04-05 110 DIBBS
RR400 2020-04-05 110 DIBBS
518C203-85 2019-10-24 97 DIBBS
518C203-85-79 2019-10-24 97 DIBBS
626-001-9279 2019-10-24 97 DIBBS
RR400 2019-10-24 97 DIBBS
5325-00-721-8963 2010-05-04 56 DIBBS
5325-00-721-8963 2009-09-24 91 DIBBS
5325-00-721-8963 2009-02-04 56 DIBBS

Cross Reference | NSN 5325-00-721-8963

Part Number Cage Code Manufacturer
518C203-85 94033 CARDWELL CONDENSER CORP LAPOINTE-ADMIRAL DIV
518C203-85-79 94033 CARDWELL CONDENSER CORP LAPOINTE-ADMIRAL DIV
626-001-9279 70210 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
907920-0053 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
RR-400 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
RR400 80756 SPIROLOX, INC.

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Technical Data | NSN 5325-00-721-8963

Characteristic Specifications
MATERIAL STEEL
SURFACE TREATMENT CADMIUM PLATED
STRENGTH RATING NOT RATED
MATERIAL HARDNESS RATING NOT RATED
CASEHARDENING INDICATOR NOT CASEHARDENED
RING STYLE A56 SPIRAL
INSIDE DIAMETER 3.721 INCHES MINIMUM AND 3.746 INCHES MAXIMUM
OUTSIDE DIAMETER 4.157 INCHES MINIMUM AND 4.182 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE D12 DOUBLE OVAL
MAJOR THICKNESS 0.057 INCHES MINIMUM AND 0.065 INCHES MAXIMUM
USAGE DESIGN INTERNAL

Restrictions/Controls & Freight Information | NSN 5325-00-721-8963

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:UPrecious metal type is unknown
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 095190 HARDWARE, NOI SUB 9
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 unknown
Originating Activity Code XX
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 5325-00-721-8963

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
A
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 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
A
EA : Each