ZR51

View detailed technical data, stock status, and sourcing information for: ZR51

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ZR51
Federal Supply Group
Engines, Turbines, and Components
Federal Supply Classification
2815 Diesel Engines and Components
National Stock Number
2815-00-528-6088
Item Name Code
15883
Assigment Date
01/01/1961 (65 years ago)

A metal item designed for the purpose of securing an engine or compressor valve and positioning the valve spring or valve spring retainer. Excludes:cotter pins, straight pins, keys and washers.

0.404 inches minimum and 0.406 inches maximum largest inside diameter, not casehardened casehardening indicator, 0.700 inches minimum and 0.702 inches maximum largest outside diameter, unthreaded thread provision, 0.310 inches minimum and 0.313 inches maximum overall height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Casehardening Indicator
not casehardened
Overall Height
0.310 inches minimum and 0.313 inches maximum
Thread Provision
unthreaded
Largest Inside Diameter
0.404 inches minimum and 0.406 inches maximum
Largest Outside Diameter
0.700 inches minimum and 0.702 inches maximum
Inside Diameter Top Radius
0.025 inches nominal
Inside Diameter Bottom Radius
0.025 inches nominal
Outside Included Angle In Deg
15.0
Material
steel comp 4140
Material Document And Classification
sae 4140, fscm 81343 assn std single material response
Style Designator
straight bore-top and bottom radius

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
2815-00-386-3305 No Name Available 01/01/1963

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
60011-1 Valve Spring Retainer Lock
H60011-1 Valve Spring Retainer Lock
LK125 Valve Spring Retainer Lock
R154 Valve Spring Retainer Lock
U94 Valve Spring Retainer Lock
VK141 Valve Spring Retainer Lock
VR51 Valve Spring Retainer Lock
ZR51 Valve Spring Retainer Lock

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 2815-00-528-6088?
The FSCG of the NSN 2815-00-528-6088 is 2815
Does NSN 2815-00-528-6088 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.
Does NSN 2815-00-528-6088 contain precious materials?
Precious metal content is unknown
Does NSN 2815-00-528-6088 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.
When the NSN 2815-00-528-6088 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

Professional Distribution

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