PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

720-01O-Ring

Norgren C a Co · NSN 5331-01-186-7533 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-186-7533 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-186-7533. Primary manufacturer part number: 720-01.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Norgren C a Co
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-186-7533, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Norgren C a Co. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersNorgren C a Co (CAGE 43990)
Technical Specifications
ParameterValue
NSN5331-01-186-7533
Primary Part Number720-01
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerNorgren C a Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4820-00-030-647272001-1 INTERCHANGEABLE
Disk,valve
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
5133-00-189-9246 INTERCHANGEABLE
Drill,twist
5331-00-292-05802-006 N304-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5330-00-471-381272001 INTERCHANGEABLE
Gasket
Dressta North America Ltd
6660-00-682-4459 INTERCHANGEABLE
Wind Measuring Set
5360-00-911-23328109410 INTERCHANGEABLE
Spring,leaf
Us Army Aviation and Missile Command
6625-00-964-9267TA357 INTERCHANGEABLE
Probe-Lead Assembly,test
Newark Electronics Corporation Dba Newark
5331-01-160-4346M83461/1-330 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-407-786872001 INTERCHANGEABLE
O-Ring
Aerosonic Llc
7510-01-430-743372001 INTERCHANGEABLE
Clip,paper
Ace Wire Spring & Form Co Inc
Cross-Reference Index
Part NumberManufacturer
720-01 PRIMARY Norgren C a Co (USA)
NIP-328 ITEM 35 Norgren C a Co (USA)
Related Parts
4820-00-030-6472INTERCHANGEABLE
DISK,VALVE
72001-1
5133-00-189-9246INTERCHANGEABLE
DRILL,TWIST
5331-00-292-0580INTERCHANGEABLE
O-RING
2-006 N304-75
5330-00-471-3812INTERCHANGEABLE
GASKET
72001
6660-00-682-4459INTERCHANGEABLE
WIND MEASURING SET
5360-00-911-2332INTERCHANGEABLE
SPRING,LEAF
8109410
6625-00-964-9267INTERCHANGEABLE
PROBE-LEAD ASSEMBLY,TEST
TA357
5331-01-160-4346INTERCHANGEABLE
O-RING
M83461/1-330
5331-01-407-7868INTERCHANGEABLE
O-RING
72001
7510-01-430-7433INTERCHANGEABLE
CLIP,PAPER
72001
5855-01-447-9151INTERCHANGEABLE
IMAGE INTENSIFIER,NIGHT VISION
7200-1

Frequently Asked Questions

What is NSN 5331-01-186-7533?

NSN 5331-01-186-7533 is a O-Ring, manufactured by Norgren C a Co, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-186-7533?

NSN 5331-01-186-7533 has 2 cross-referenced part numbers: 720-01 (Norgren C a Co), NIP-328 ITEM 35 (Norgren C a Co).

What NSN replaces 5331-01-186-7533?

There are 11 known substitutes for 5331-01-186-7533: 4820-00-030-6472, 5133-00-189-9246, 5331-00-292-0580 and 8 more. Verify interchangeability with system specifications before substitution.

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