PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77858Ring,wearing

Hampton Hydraulics, Llc · NSN 4320-01-358-8568 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-358-8568 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-358-8568. Primary manufacturer part number: 77858.
Features
  • Ring,wearing — FSC 4320
  • Body Inside Diameter: 3.500 INCHES NOMINAL IN
  • Material: GLASS AND PLASTIC
  • Body Style: PLAIN
  • Body Outside Diameter: 3.750 INCHES NOMINAL IN
  • Corner Shape: SQUARE ALL CORNERS
  • 5 verified cross-references
  • Primary manufacturer: Hampton Hydraulics, Llc
Applications
  • Applications requiring Glass and Plastic construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-01-358-8568, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Hampton Hydraulics, Llc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-358-8568
Primary Part Number77858
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerHampton Hydraulics, Llc
StatusACTIVE
Body Inside Diameter3.500 INCHES NOMINAL IN
MaterialGLASS AND PLASTIC
Body StylePLAIN
Body Outside Diameter3.750 INCHES NOMINAL IN
Corner ShapeSQUARE ALL CORNERS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4140-00-179-019311840-2 INTERCHANGEABLE
Bell End,fan
Rtx Corporation Div Pratt & Whitney
5950-00-272-7334986139-2B INTERCHANGEABLE
Transformer,pulse
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
77858 Victor Fluid Power Inc (USA)
912135 PIECE 20 Hampton Hydraulics, Llc (USA)
77858 PRIMARY Hampton Hydraulics, Llc (USA)
118402 Victor Fluid Power Inc (USA)
912135 PIECE 20 Victor Fluid Power Inc (USA)
Related Parts
4140-00-179-0193INTERCHANGEABLE
BELL END,FAN
11840-2
5950-00-272-7334INTERCHANGEABLE
TRANSFORMER,PULSE
986139-2B

Frequently Asked Questions

What is NSN 4320-01-358-8568?

NSN 4320-01-358-8568 is a Ring,wearing, manufactured by Hampton Hydraulics, Llc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-358-8568?

NSN 4320-01-358-8568 has 5 cross-referenced part numbers: 77858 (Victor Fluid Power Inc), 912135 PIECE 20 (Hampton Hydraulics, Llc), 77858 (Hampton Hydraulics, Llc), 118402 (Victor Fluid Power Inc), 912135 PIECE 20 (Victor Fluid Power Inc).

What NSN replaces 4320-01-358-8568?

There are 2 known substitutes for 4320-01-358-8568: 4140-00-179-0193, 5950-00-272-7334. Verify interchangeability with system specifications before substitution.

What are the specifications of 77858?

Key specifications for 77858: Body Inside Diameter: 3.500 INCHES NOMINAL IN; Overall Length: 1.000 INCHES NOMINAL IN; Material: GLASS AND PLASTIC; Body Style: PLAIN. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com