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NSN 4391776

Valve Stem Guide

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.

0.747 inches minimum and 0.748 inches maximum bb end shank diameter, 30.0 bb end chamfer angle in deg, 0.080 inches minimum and 0.081 inches maximum bb end chamfer length, 10.0 aa end chamfer angle in deg, 0.094 inches nominal aa end chamfer length.

NSN 2815-00-789-6502 Datasheet

(NSN) National Stock Number
2815-00-789-6502
(FSG) Federal Supply Group
28 - Engines, Turbines, and Components
(FSC) Federal Supply Classification
2815 - Diesel Engines and Components
(NIIN) National Item Identification Number
00-789-6502
Requires Demilitarization
Yes
(INC) Item Name Code
32562
Date
Mon, Jan 1, 1962
Schedule B Code
8409998000
Aa End Chamfer Angle In Deg
10.0
Aa End Chamfer Length
0.094 inches nominal
Bb End Chamfer Angle In Deg
30.0
Bb End Chamfer Length
0.080 inches minimum and 0.081 inches maximum
Bb End Shank Diameter
0.747 inches minimum and 0.748 inches maximum
Bore Counterbore
not included
Bore Countersink
included
Bore Diameter
0.4375 inches nominal
Countersink Angle In Deg
45.0
Countersink Location
aa end
Countersink Length
0.031 inches nominal
Fsc Application Data
diesel engine
Major Diameter Length
2.781 inches nominal
Material
iron
Metallic Hardness Rating
90.0 minimum rockwell b
Outside Diameter
0.751 inches minimum and 0.752 inches maximum
Overall Length
3.906 inches nominal
Style Designator
plain, shouldered

Identification

Demilitarization Code
A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
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.
Source of Supply Code
S9C - Defense supply center columbus, ohio 43215
Pseudo Item Name Code
0032562

Cross Reference

CAGE Codes

6N299
Agco Corp Parts Opn
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
W - Rating variable
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
63220
Water Commodity
593 - Motors and parts, (machinery and parts),(less than 35 feet)
National Motor Freight Classification Item Number
133300

Schedule B & Trade

Schedule B
8409-99-8000
Description
parts for compression-ignition internal combustion piston engines (diesel), nesoi
End Use
21100 - Industrial engines
Unit of Quantity
KG
USDA
Yes
(SITC) Standard International Trade Classification
71392
(NAICS) North American Industrial Classification System
333618

Questions & Answers

  1. What is the FSCG of the NSN 2815-00-789-6502?

    The FSCG of the NSN 2815-00-789-6502 is 2815

  2. Does the NSN 2815-00-789-6502 have a Schedule B code assigned?

    Yes, the Schedule B code is 8409998000

  3. Does NSN 2815-00-789-6502 require demilitarization?

    Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

  4. Does NSN 2815-00-789-6502 contain precious materials?

    Precious metal content is unknown

  5. Does NSN 2815-00-789-6502 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 2815-00-789-6502 was assigned to the Federal Catalog?

    It was assigned 64 years ago, on Mon, Jan 1, 1962

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