PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RN70M114500300B0100O-Ring

Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc. · NSN 5331-01-288-1077 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-288-1077 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-288-1077. Primary manufacturer part number: RN70M114500300B0100.
Features
  • O-Ring — FSC 5331
  • 4 verified cross-references
  • Primary manufacturer: Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-288-1077, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc.. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersGallagher Fluid Seals Inc (CAGE 0DM03); Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc. (CAGE 5E880); Danfoss Inc (CAGE 1JW34)
Technical Specifications
ParameterValue
NSN5331-01-288-1077
Primary Part NumberRN70M114500300B0100
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerGallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-166-834131WLF51618 INTERCHANGEABLE
Nut,plain,extended Washer,hexago
Mac Lean Fogg Lock Nut Co
6220-00-904-8870 INTERCHANGEABLE
Light,cockpit,aircraft
5950-01-303-3455 INTERCHANGEABLE
Coil,electrical
Cross-Reference Index
Part NumberManufacturer
RN70M114500300B0100 Gallagher Fluid Seals Inc (USA)
RN70M114500300B0100 PRIMARY Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc. (USA)
219-0389 Danfoss Inc (USA)
200-0153 Danfoss Inc (USA)
Related Parts
5310-00-166-8341INTERCHANGEABLE
NUT,PLAIN,EXTENDED WASHER,HEXAGO
31WLF51618
6220-00-904-8870INTERCHANGEABLE
LIGHT,COCKPIT,AIRCRAFT
5950-01-303-3455INTERCHANGEABLE
COIL,ELECTRICAL

Frequently Asked Questions

What is NSN 5331-01-288-1077?

NSN 5331-01-288-1077 is a O-Ring, manufactured by Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-288-1077?

NSN 5331-01-288-1077 has 4 cross-referenced part numbers: RN70M114500300B0100 (Gallagher Fluid Seals Inc), RN70M114500300B0100 (Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc.), 219-0389 (Danfoss Inc), 200-0153 (Danfoss Inc).

What NSN replaces 5331-01-288-1077?

There are 3 known substitutes for 5331-01-288-1077: 5310-00-166-8341, 6220-00-904-8870, 5950-01-303-3455. Verify interchangeability with system specifications before substitution.

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