PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21170001O-Ring

Delta Power Hydraulic Co · NSN 5331-01-233-7791 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-233-7791 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-233-7791. Primary manufacturer part number: 21170001.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Delta Power Hydraulic Co
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-233-7791, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Delta Power Hydraulic Co. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersDelta Power Hydraulic Co (CAGE 30058)
Technical Specifications
ParameterValue
NSN5331-01-233-7791
Primary Part Number21170001
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerDelta Power Hydraulic Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-418-004821170-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21170001 PRIMARY Delta Power Hydraulic Co (USA)
60108014 Delta Power Hydraulic Co (USA)
Related Parts
4820-01-418-0048INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21170-001

Frequently Asked Questions

What is NSN 5331-01-233-7791?

NSN 5331-01-233-7791 is a O-Ring, manufactured by Delta Power Hydraulic Co, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-233-7791?

NSN 5331-01-233-7791 has 2 cross-referenced part numbers: 21170001 (Delta Power Hydraulic Co), 60108014 (Delta Power Hydraulic Co).

What NSN replaces 5331-01-233-7791?

There is 1 known substitute for 5331-01-233-7791: 4820-01-418-0048. Verify interchangeability with system specifications before substitution.

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