PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R978800271O-Ring

Bosch Rexroth Corporation Div Industrial Hydraulics · NSN 5331-01-421-6115 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-421-6115 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-421-6115. Primary manufacturer part number: R978800271.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Bosch Rexroth Corporation Div Industrial Hydraulics
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-421-6115, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Bosch Rexroth Corporation Div Industrial Hydraulics. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersBosch Rexroth Corporation Div Industrial Hydraulics (CAGE 27005)
Technical Specifications
ParameterValue
NSN5331-01-421-6115
Primary Part NumberR978800271
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerBosch Rexroth Corporation Div Industrial Hydraulics
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5905-00-117-4186 INTERCHANGEABLE
Resistor,fixed,composition
4820-00-251-155680027-2 INTERCHANGEABLE
Seat,valve
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
5905-00-929-24442TA51FS500 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
3040-01-395-223980027-2 INTERCHANGEABLE
Shaft,shouldered
Morpac Industries, Inc Div Actuator
6680-01-396-9537800271 INTERCHANGEABLE
Meter Kit,flow Rate Indicating
Sensidyne, Lp Dba Sensidyne
Cross-Reference Index
Part NumberManufacturer
800271 Bosch Rexroth Corporation Div Industrial Hydraulics (USA)
R978800271 PRIMARY Bosch Rexroth Corporation Div Industrial Hydraulics (USA)
Related Parts
5905-00-117-4186INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
4820-00-251-1556INTERCHANGEABLE
SEAT,VALVE
80027-2
5905-00-929-2444INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
2TA51FS500
3040-01-395-2239INTERCHANGEABLE
SHAFT,SHOULDERED
80027-2
6680-01-396-9537INTERCHANGEABLE
METER KIT,FLOW RATE INDICATING
800271

Frequently Asked Questions

What is NSN 5331-01-421-6115?

NSN 5331-01-421-6115 is a O-Ring, manufactured by Bosch Rexroth Corporation Div Industrial Hydraulics, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-421-6115?

NSN 5331-01-421-6115 has 2 cross-referenced part numbers: 800271 (Bosch Rexroth Corporation Div Industrial Hydraulics), R978800271 (Bosch Rexroth Corporation Div Industrial Hydraulics).

What NSN replaces 5331-01-421-6115?

There are 5 known substitutes for 5331-01-421-6115: 5905-00-117-4186, 4820-00-251-1556, 5905-00-929-2444 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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