PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P523O-Ring

Deltech Engineering Lp · NSN 5331-01-061-9032 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-061-9032 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-061-9032. Primary manufacturer part number: P523.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Deltech Engineering Lp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-061-9032, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Deltech Engineering Lp. This item has 1 commercial cross-reference from 1 manufacturer, 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)
ManufacturersDeltech Engineering Lp (CAGE 23185)
Technical Specifications
ParameterValue
NSN5331-01-061-9032
Primary Part NumberP523
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerDeltech Engineering Lp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3820-00-124-6732 INTERCHANGEABLE
Pilot,auger Point
2530-00-164-0986037341 INTERCHANGEABLE
Piston,hydraulic Brake
Caterpillar Inc Div Caterpillar Defense
3120-00-959-0003 INTERCHANGEABLE
Bearing,sleeve
Cross-Reference Index
Part NumberManufacturer
P523 Deltech Engineering Lp (USA)
Related Parts
3820-00-124-6732INTERCHANGEABLE
PILOT,AUGER POINT
2530-00-164-0986INTERCHANGEABLE
PISTON,HYDRAULIC BRAKE
037341
3120-00-959-0003INTERCHANGEABLE
BEARING,SLEEVE

Frequently Asked Questions

What is NSN 5331-01-061-9032?

NSN 5331-01-061-9032 is a O-Ring, manufactured by Deltech Engineering Lp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-061-9032?

NSN 5331-01-061-9032 has 1 cross-referenced part number: P523 (Deltech Engineering Lp).

What NSN replaces 5331-01-061-9032?

There are 3 known substitutes for 5331-01-061-9032: 3820-00-124-6732, 2530-00-164-0986, 3120-00-959-0003. Verify interchangeability with system specifications before substitution.

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