PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7130100O-Ring

Alfa Laval Inc · NSN 5331-01-420-2080 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-420-2080 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-420-2080. Primary manufacturer part number: 7130100.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Alfa Laval Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-420-2080, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Alfa Laval Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersAlfa Laval Inc (CAGE 71871)
Technical Specifications
ParameterValue
NSN5331-01-420-2080
Primary Part Number7130100
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerAlfa Laval Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5360-00-493-39027130-1 INTERCHANGEABLE
Spring,helical,compression
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
6680-00-893-633471-3-0-1 INTERCHANGEABLE
Indicator,rate of Flow
Celtech Corporation Div Use CAGE 65552 for All Orders
8320-01-100-61027130-1 INTERCHANGEABLE
Pad,cushioning
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
3040-01-146-41882BC422 INTERCHANGEABLE
Head,linear Actuating Cylinder
Oshkosh Defense Llc
4820-01-475-9926713-01 INTERCHANGEABLE
Retainer,disk,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5975-01-511-49094266 005 INTERCHANGEABLE
Junction Box
Altech Corporation
5120-01-644-063271301 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Wiha Quality Tools
1420-01-653-50327130100-6 INTERCHANGEABLE
Control Section,guided Missile
Alliant Techsystems Operations Llc Div Defense Electronic Systems
4730-01-686-5265 INTERCHANGEABLE
Pneumatic Muffler,exhaust-Intake
Cross-Reference Index
Part NumberManufacturer
71301 Alfa Laval Inc (USA)
7130100 PRIMARY Alfa Laval Inc (USA)
Related Parts
5360-00-493-3902INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
7130-1
6680-00-893-6334INTERCHANGEABLE
INDICATOR,RATE OF FLOW
71-3-0-1
8320-01-100-6102INTERCHANGEABLE
PAD,CUSHIONING
7130-1
3040-01-146-4188INTERCHANGEABLE
HEAD,LINEAR ACTUATING CYLINDER
2BC422
4820-01-475-9926INTERCHANGEABLE
RETAINER,DISK,VALVE
713-01
5975-01-511-4909INTERCHANGEABLE
JUNCTION BOX
4266 005
5120-01-644-0632INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
71301
1420-01-653-5032INTERCHANGEABLE
CONTROL SECTION,GUIDED MISSILE
7130100-6
4730-01-686-5265INTERCHANGEABLE
PNEUMATIC MUFFLER,EXHAUST-INTAKE

Frequently Asked Questions

What is NSN 5331-01-420-2080?

NSN 5331-01-420-2080 is a O-Ring, manufactured by Alfa Laval Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-420-2080?

NSN 5331-01-420-2080 has 2 cross-referenced part numbers: 71301 (Alfa Laval Inc), 7130100 (Alfa Laval Inc).

What NSN replaces 5331-01-420-2080?

There are 9 known substitutes for 5331-01-420-2080: 5360-00-493-3902, 6680-00-893-6334, 8320-01-100-6102 and 6 more. Verify interchangeability with system specifications before substitution.

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