Product Details | RETAINING RING

5325-01-186-1789 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: M2742640119A, MILDTL27426, MIL-DTL-27426, RRN137, RRN-137, WHM137, WHM-137, J-9-1-6, J916, 5325-01-186-1789, 01-186-1789, 5325011861789, 011861789

Hardware and Abrasives | Fastening Devices

Supply Group (FSG) NSN Assign. NIIN
53 08 AUG 1984 01-186-1789

Drawings & Photos | NSN 5325-01-186-1789


Demand History | NSN 5325-01-186-1789

Part Number Request Date QTY Origin
5325-01-186-1789 2024-07-192 1253 DIBBS
5325-01-186-1789 2021-06-164 908 DIBBS
MILDTL27426 2018-04-101 1035 KR
5325-01-186-1789 2013-09-267 1825 DIBBS
MILDTL27426 2013-09-259 2000 CA
5325-01-186-1789 2013-02-36 479 DIBBS
5325-01-186-1789 2011-06-181 297 DIBBS
5325-01-186-1789 2010-07-210 420 DIBBS
5325-01-186-1789 2008-12-350 560 DIBBS
5325-01-186-1789 2008-01-22 313 DIBBS

Cross Reference | NSN 5325-01-186-1789

Part Number Cage Code Manufacturer
J-9-1-6 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
M2742640119A 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-DTL-27426 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
RRN-137 80756 SPIROLOX, INC.
WHM-137 51814 SMALLEY STEEL RING CO.

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Technical Data | NSN 5325-01-186-1789

Characteristic Specifications
MATERIAL STEEL, MIL-S-46049, COMP 1075 OR STEEL, MIL-S-46049, COMP 1085
STRENGTH RATING NOT RATED
MATERIAL HARDNESS RATING 40.0 ROCKWELL C MINIMUM AND 51.5 ROCKWELL C MAXIMUM
CASEHARDENING INDICATOR NOT CASEHARDENED
RING STYLE A55 SPECIAL FLAT
INSIDE DIAMETER 1.240 INCHES MINIMUM AND 1.245 INCHES MAXIMUM
OUTSIDE DIAMETER 1.471 INCHES MINIMUM AND 1.484 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE D12 DOUBLE OVAL
MAJOR THICKNESS 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM
USAGE DESIGN INTERNAL
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-DTL-27426
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE M2742640119A

Restrictions/Controls & Freight Information | NSN 5325-01-186-1789

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.
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 KH Defense Industrial Supply Center
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 5325-01-186-1789

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.
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
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
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
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 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
Q
EA : Each