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FSC 3110 - Unmounted Antifriction Bearings
NSN 3110-00-023-6669

3110-00-023-6669

NIIN 00-023-6669 - Airframe Ball Bearing

NSN 3110-00-023-6669 Classification

A cylindrical item in which the inner or outer ring turns upon row(s) of hardened ball, bearing which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes:bearing,ball,annular.

0.4840 inches nominal inner ring width, contact bearing seal type, radial load direction, 0.2500 inches nominal bore diameter, mil-g-81322 mil spec single material response lubrication material document and classification

National Stock Number: 3110-00-023-6669
Federal Supply Group: 31 - Bearings
Federal Supply Classification: 3110 - Unmounted Antifriction Bearings
National Item Identification Number: 00-023-6669
Item Name Code: 00041
Assigned Date: Thu, Jan 13, 1972
Schedule B Code: 8482105068
Requires Demilitarization: DEMIL/MLI

NSN 3110-00-023-6669 Specification

Set by the OEM (See RNCC code 3)

Bearing Seal Type: contact
Bore Diameter: 0.2500 inches nominal
Inner Ring Width: 0.4840 inches nominal
Load Direction: radial
Lubrication Material Document And Classification: mil-g-81322 mil spec single material response
Material Document And Classification: 66 fed std all material responses ball
Material Document And Classification: 66 fed std single material response inner ring
Material Document And Classification: 66 fed std single material response outer ring
Material Document And Classification: ams 3652 assn std single material response or ams 3666 assn std single material response seal
Material: plastic polytetrafluoroethylene seal
Material: steel comp e51100 or steel comp e52100 ball
Material: steel comp e52100 outer ring
Material: steel comp e52100 inner ring
Material: steel corrosion resisting retainer
Outer Ring Width: 0.3350 inches nominal
Overall Outside Diameter: 0.9014 inches nominal
Special Features: 80 pct. full of mil-g-81322,internal radial clearance 0.0004 in. min,0.0010 in. max,heat treat rings and balls to rockwell c 60 to 66 and stabilized for operation at 250 deg. f,radial and lateral eccentricity inner ring 0.0010 in. outerring 0.0016 in.
Seal Quantity: 2
Standard Tolerance Designation: afbma std tolerance for airframe ball bearings
Style Designator: single row inner ring extended both sides
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 2 fed spec single treatment response exposed surfaces as mounted
Surface Treatment: cadmium exposed surfaces as mounted

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NSN 3110-00-023-6669 Material

Hazmat, Precious Metals, Criticality, Environment, and ESD

(PMIC) Precious Metals Indicator

Item does not contain precious metal.

What does the A code means?

Precious metals indicator code (pmic): this code is to identify items that have precious metals as part of their content. Precious metals are those metals generally considered to be uncommon and highly valuable which are relatively superior in certain properties such as resistance to corrosion and electrical conductivity. The precious metals recovery program for the federal government encompasses gold, silver, platinum, and the platinum family which consists of palladium, iridium, rhodium, osmium, and ruthenium. See volume 10, table 160 and quick info on-line.

(HMIC) Hazardous Metal Indicator

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

What does the N code means?

Hazardous materials indicator code: a code established in the dlis total item record (tir) to identify to users of the federal catalog system all known or suspected hazardous items as defined by safety/health, transaction and/or environmental regulations, to serve as a flag that a procuring activity must acquire a material safety data sheet when a hazardous item is procured, and to inform federal catalog system users when more detailed information on an item is available in the hazardous material information system. See volume 10, table 179 and quick info on-line.

Criticality Code

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

What does the X code means?

Criticality code, federal item identification guide: a code which indicates when an item is technically critical, by reason of tolerance, fit, application, nuclear hardness properties or other characteristic which affects identification of the item. See volume 10, table 181 and quick info on-line.

Cross Reference Parts

Part numbers that meet the specification outlined on this page and set by the OEM

Part Number	CAGE	RNCC	RNVC	DAC	RNAAC	MSDS	SADC
9408308503	S4080	5	2	4	ZF	-	-
AN200KP4	88044	5	9	4	ZG	-	-
KP4	06144	5	1	1	ZZ	-	-
KP4	21335	5	9	1	ZZ	-	-
KP4	21760	5	1	5	KZ	-	-
KP4	38443	5	9	5	KZ	-	-
KP4A1488	21335	C	1	5	ZZ	-	AC
KP4FS160	21335	5	9	4	KZ	-	-
KP4FS464	06144	5	1	5	ZZ	-	-
KP4FS464	21335	5	9	5	KE	-	-
KP4FS464	FA951	5	9	4	ZF	-	-
MS20200KP4	96906	5	9	4	KZ	-	-
MS27640-4	06144	5	1	5	9Z	-	-
MS27640-4	0FWK8	5	2	4	9Z	-	-
MS27640-4	0U583	3	2	E	ZZ	-	-
MS27640-4	50294	5	1	5	9Z	-	-
MS27640-4	81343	5	9	E	ZZ	-	-
MS27640-4	96906	5	9	4	TG	-	-
MS27640-4	K0668	5	2	4	ZK	-	-
MS27640KP4	96906	5	9	6	KZ	-	-
SAE-AS27640	0U583	3	1	E	ZZ	-	-
SAE-AS27640	81343	5	9	E	ZZ	-	-

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