NSN DREF4-321

An item designed to fit over a packing gland by mating with a surface of a second part which together will retain into a narrow groove or confined space the packing, preformed or o-ring, or an item designed to fit over a rod or shaft, to mate with a stuffing box to confine packing material. It may function as a static or dynamic seal retainer with the packing located on, around, or in the centerline direction of the rod or shaft axis. It may have holes or joints for mounting, be threaded or unthreaded. See also packing nut and packing nut, stuffing tube.

55.0 rockwell c minimum inner member hardness rating, 0.3700 inches minimum and 0.3750 inches maximum inner member width, 0.2495 inches minimum and 0.2500 inches maximum bore diameter, 32.0 rockwell c minimum rod end body hardness rating, 1.3020 inches minimum and 1.3220 inches maximum bore center to shank end distance.

NSN 3120-00-998-5052 Datasheet

(NSN) National Stock Number

3120-00-998-5052

(FSG) Federal Supply Group

31 - Bearings

(FSC) Federal Supply Classification

3120 - Unmounted Plain Bearings

(NIIN) National Item Identification Number

00-998-5052

Requires Demilitarization

Yes

(INC) Item Name Code

13209

Date

Mon, Dec 4, 1967

Schedule B Code

8483308055

Bore Center To Shank End Distance

1.3020 inches minimum and 1.3220 inches maximum

Bore Diameter

0.2495 inches minimum and 0.2500 inches maximum

Hardness Rating

32.0 rockwell c minimum rod end body

Hardness Rating

55.0 rockwell c minimum inner member

Inner Member Width

0.3700 inches minimum and 0.3750 inches maximum

Inspection Hole Center To End Distance

0.3750 inches nominal

Material

plastic polytetrafluoroethylene race liner

Material

steel corrosion resisting race insert

Material

steel comp 440c inner member

Material

steel comp 630 rod end body

Outer Member Outside Diameter

0.7710 inches minimum and 0.8160 inches maximum

Outer Member Width

0.2810 inches minimum and 0.2910 inches maximum

Overall Length

1.7020 inches nominal

Shank Style

internally threaded w/hexagon end and inspection hole

Shank Thread Length

0.6870 inches nominal

Shank Width Across Wrench Flats

0.5000 inches nominal

Special Features

construction with or without race optional,magnetic or penetrant inspection required as applicable

Static Radial Load Rating

4270 pounds

Style Designator

ball type

Surface Treatment

cadmium rod end body

Thread Class

3b

Thread Diameter

0.312 inches nominal

Thread Direction

right-hand

Thread Quantity Per Inch

24

Thread Series Designator

unf

Identification

Demilitarization Code

Q - "commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Precious Metals Indicator

U - Precious metal content is unknown

Hazardous Metals Indicator

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

Pseudo Item Name Code

0013209

Cross Reference

CAGE Codes

09455

Rbc Transport Dynamics Corp Div Rbc Transport Dynamics

U.s./canadian manufacturers

9009H

Jednolity Indeks Materialowy - Uniform Material Index

Government departments or units, including military organizations

15860

New Hampshire Ball Bearings Inc Div Astro Division

U.s./canadian manufacturers

56644

Timken Aurora Bearing Company

U.s./canadian manufacturers

73134

Roller Bearing Company of America, Inc.

U.s./canadian manufacturers

81376

Rbc Southwest Products, Inc.

Non-manufacturers

81755

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company

U.s./canadian manufacturers

77896

Rexnord Industries, Llc Div Aerosspace Bearing Operation

U.s./canadian manufacturers

Freight Information

Air Commodity

VZ -

Air Dimension

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

National Motor Freight Class Rating

Q - 70.0

Special Handling

9 - Other or no special handling required (sh)

Type of Cargo

Z - No special type of cargo code applicable

Uniform Freight Classification Item Number

58860

Water Commodity

742 - Bearings

National Motor Freight Classification Item Number

114840

Schedule B & Trade

Schedule B

8483-30-8055

Description

transmission shafts: bearing housings, plain shaft bearings with housing, rod end bearings

End Use

21180 - Industrial machines, other

Unit of Quantity

NO

USDA

Yes

(SITC) Standard International Trade Classification

74822

(NAICS) North American Industrial Classification System

333613

Questions & Answers

1. What is the FSCG of the NSN 3120-00-998-5052?

   The FSCG of the NSN 3120-00-998-5052 is 3120

2. Does the NSN 3120-00-998-5052 have a Schedule B code assigned?

   Yes, the Schedule B code is 8483308055

3. Does NSN 3120-00-998-5052 require demilitarization?

   "commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

4. Does NSN 3120-00-998-5052 contain precious materials?

   Precious metal content is unknown

5. Does NSN 3120-00-998-5052 contain hazardous materials?

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

6. When the NSN 3120-00-998-5052 was assigned to the Federal Catalog?

   It was assigned 58 years ago, on Mon, Dec 4, 1967