R251

View detailed technical data, stock status, and sourcing information for: R251

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R251
Federal Supply Group
Pumps and Compressors
Federal Supply Classification
4320 Power and Hand Pumps
National Stock Number
4320-00-031-1508
Item Name Code
13126
Assigment Date
01/01/1963 (63 years ago)

A metal cylindrical device, used in conjunction with a hydraulic pump. Primarily designed for jacking, pressing and the like.

0.375 inches nominal screw thread diameter, ips screw thread series designator, 16.312 inches nominal extended height, 18.000 screw thread quantity per inch, 3.375 inches nominal overall diameter

Product Characteristics

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

Overall Diameter
3.375 inches nominal
Extended Height
16.312 inches nominal
Screw Thread Diameter
0.375 inches nominal
Screw Thread Series Designator
ips
Screw Thread Quantity Per Inch
18.000
Retracted Height
11.312 inches nominal
Capacity
20.0 tons
Plunger Diameter
2.250 inches nominal
Carrying Handle
not included

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
4320-00-396-1042 No Name Available 09/06/2023

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
535058 Hydraulic Ram
65740 Hydraulic Ram
CSR-2011 Hydraulic Ram
EOE100 Hydraulic Ram
R251 Hydraulic Ram
RC-20-SA-6A Hydraulic Ram
RC-251 Hydraulic Ram
RC-256 Hydraulic Ram
RC256 Hydraulic Ram

FAQs

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

What is the FSCG of the NSN 4320-00-031-1508?
The FSCG of the NSN 4320-00-031-1508 is 4320
Does the NSN 4320-00-031-1508 have a Schedule B code assigned?
Yes, the Schedule B code is 8413919050
Does NSN 4320-00-031-1508 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 4320-00-031-1508 contain precious materials?
Precious metal content is unknown
Does NSN 4320-00-031-1508 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 4320-00-031-1508 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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