PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37142O-Ring

Industrial Technologies and Services Llc · NSN 5331-01-725-1301 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-725-1301 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-725-1301. Primary manufacturer part number: 37142.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Industrial Technologies and Services Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-725-1301, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Industrial Technologies and Services Llc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersIndustrial Technologies and Services Llc (CAGE 76122)
Technical Specifications
ParameterValue
NSN5331-01-725-1301
Primary Part Number37142
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerIndustrial Technologies and Services Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-216-902234138J INTERCHANGEABLE
Diaphragm,valve,flat
Griswold Industries Dba Cla-Val Co
5940-00-230-991110-53798 INTERCHANGEABLE
Splice,conductor
Precision Aerospace Corporation Dba Precision Engine Control
5340-00-522-3636341SCZE38 INTERCHANGEABLE
Snap Hook
Buckles International, Inc.
5999-00-897-541237142 INTERCHANGEABLE
Contact,electrical
L3harris Technologies, Inc. Div Space and Airborne Systems
4820-01-431-964037142 INTERCHANGEABLE
Valve Assembly
Dionex Corporation
3120-01-545-239037142 INTERCHANGEABLE
Bearing,washer,thrust
Fascan International, Inc.
4320-01-555-347334138 INTERCHANGEABLE
Pump,centrifugal
Industrial Technologies and Services Llc
4320-01-724-055527978 INTERCHANGEABLE
Plate,wear,rotary Pump
Industrial Technologies and Services Llc
5331-01-725-132636911 INTERCHANGEABLE
O-Ring
Industrial Technologies and Services Llc
5330-01-725-140027969 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Industrial Technologies and Services Llc
Cross-Reference Index
Part NumberManufacturer
37142 PRIMARY Industrial Technologies and Services Llc (USA)
34138 Industrial Technologies and Services Llc (USA)
Related Parts
4820-00-216-9022INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
34138J
5940-00-230-9911INTERCHANGEABLE
SPLICE,CONDUCTOR
10-53798
5340-00-522-3636INTERCHANGEABLE
SNAP HOOK
341SCZE38
5999-00-897-5412INTERCHANGEABLE
CONTACT,ELECTRICAL
37142
4820-01-431-9640INTERCHANGEABLE
VALVE ASSEMBLY
37142
3120-01-545-2390INTERCHANGEABLE
BEARING,WASHER,THRUST
37142
4320-01-555-3473INTERCHANGEABLE
PUMP,CENTRIFUGAL
34138
4320-01-724-0555INTERCHANGEABLE
PLATE,WEAR,ROTARY PUMP
27978
5331-01-725-1326INTERCHANGEABLE
O-RING
36911
5330-01-725-1400INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
27969
5307-01-725-2710INTERCHANGEABLE
STUD,PLAIN
30316
4320-01-725-6126INTERCHANGEABLE
VALVE FLAPPER,PUMP
26098

Frequently Asked Questions

What is NSN 5331-01-725-1301?

NSN 5331-01-725-1301 is a O-Ring, manufactured by Industrial Technologies and Services Llc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-725-1301?

NSN 5331-01-725-1301 has 2 cross-referenced part numbers: 37142 (Industrial Technologies and Services Llc), 34138 (Industrial Technologies and Services Llc).

What NSN replaces 5331-01-725-1301?

There are 12 known substitutes for 5331-01-725-1301: 4820-00-216-9022, 5940-00-230-9911, 5340-00-522-3636 and 9 more. Verify interchangeability with system specifications before substitution.

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