PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS28778-20O-Ring

Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba · NSN 5331-01-624-5844 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-624-5844 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-624-5844. Primary manufacturer part number: MS28778-20.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-624-5844, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersCurtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (CAGE 21439)
Technical Specifications
ParameterValue
NSN5331-01-624-5844
Primary Part NumberMS28778-20
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCurtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-00-803-7208200-2362-010 INTERCHANGEABLE
O-Ring
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5331-00-816-354610596841-13 INTERCHANGEABLE
O-Ring
Us Army Aviation and Missile Command
5330-00-922-5947 INTERCHANGEABLE
Packing,preformed
5331-00-931-6751 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
MS28778-20 PRIMARY Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (USA)
Related Parts
5331-00-803-7208INTERCHANGEABLE
O-RING
200-2362-010
5331-00-816-3546INTERCHANGEABLE
O-RING
10596841-13
5330-00-922-5947INTERCHANGEABLE
PACKING,PREFORMED
5331-00-931-6751INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-01-624-5844?

NSN 5331-01-624-5844 is a O-Ring, manufactured by Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-624-5844?

NSN 5331-01-624-5844 has 1 cross-referenced part number: MS28778-20 (Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba).

What NSN replaces 5331-01-624-5844?

There are 4 known substitutes for 5331-01-624-5844: 5331-00-803-7208, 5331-00-816-3546, 5330-00-922-5947 and 1 more. Verify interchangeability with system specifications before substitution.

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