Product Details | RETAINING RING

5325-01-478-1637 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: 9M187C62, 5325-01-478-1637, 01-478-1637, 5325014781637, 014781637

Hardware and Abrasives | Fastening Devices

Supply Group (FSG) NSN Assign. NIIN
53 31 AUG 2000 01-478-1637

Drawings & Photos | NSN 5325-01-478-1637


Demand History | NSN 5325-01-478-1637

Part Number Request Date QTY Origin
9M187C62 2024-11-317 5 US
9M187C62 2024-11-317 50 US
9M187C62 2024-11-317 100 US

Cross Reference | NSN 5325-01-478-1637

Part Number Cage Code Manufacturer
9M187C62 12837 SEALTITE CORPORATION
9M187C62 51814 SMALLEY STEEL RING CO.
9M187C62 76301 BOEING COMPANY, THE DBA BOEING
9M187C62 80756 SPIROLOX, INC.

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Technical Data | NSN 5325-01-478-1637

Characteristic Specifications
MATERIAL STEEL, FED STD 66, AISI 302/SAE 30302
SURFACE TREATMENT PASSIVATED, QQ-P-35
STRENGTH RATING 185000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE
MATERIAL HARDNESS RATING NOT RATED
CASEHARDENING INDICATOR NOT CASEHARDENED
RING STYLE A56 SPIRAL
INSIDE DIAMETER 0.590 INCHES NOMINAL
OUTSIDE DIAMETER 0.700 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE D12 DOUBLE OVAL
MAJOR THICKNESS 0.035 INCHES NOMINAL
USAGE DESIGN EXTERNAL
CRITICALITY CODE JUSTIFICATION AGAV
III END ITEM IDENTIFICATION F/A-18 E/F
III PART NAME ASSIGNED BY CONTROLLING AGENCY (INAVY) RING, RETAINING - EXTERNAL, SPIROLOX

Restrictions/Controls & Freight Information | NSN 5325-01-478-1637

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:YThe item does not have a nuclear hardened feature but does have other critical feature(s) 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 095190 HARDWARE, NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
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 5325-01-478-1637

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDQEFIGHTERAIRCRAFT-FIRST(F18 E/F)
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
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