PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

013O-Ring

Msc Industrial Supply · NSN 5331-01-581-1320 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-581-1320 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-581-1320. Primary manufacturer part number: 013.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Msc Industrial Supply
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-581-1320, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Msc Industrial Supply. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-581-1320
Primary Part Number013
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMsc Industrial Supply
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5120-00-223-129830008 INTERCHANGEABLE
Caulking Tool,hand
Mephisto Tool Co Inc
3010-00-289-7829013 INTERCHANGEABLE
Coupling,shaft,rigid
Circor Naval Solutions Llc Dba Warren Pumps
3433-00-373-1740TYPE 13 SIZE 0 INTERCHANGEABLE
Tip,welding Torch
Uniweld Products, Inc. Dba Uniweld Products Inc
1650-00-442-8081013 INTERCHANGEABLE
Gland,rudder Actuat
Mobil Chemical Co Chemical Coatings Div Div of Mobil Oil Corp
2530-00-692-9912013 INTERCHANGEABLE
Bolt,shackle
Eaton Corp Dba Eaton Aerospace Jackson
5360-01-332-4069 INTERCHANGEABLE
Spring,helical,compression
5360-01-351-14830-13 INTERCHANGEABLE
Spring,helical,compression
Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp.
8145-01-524-7259013 INTERCHANGEABLE
Container,versa Vat
Pikes Peak Cargo Secure, Inc
5331-01-641-2934013 INTERCHANGEABLE
O-Ring
Fluitron Inc.
Cross-Reference Index
Part NumberManufacturer
013 PRIMARY Msc Industrial Supply (USA)
10340220 Nimikkeistokeskus Ncb Finland (FIN)
Related Parts
5120-00-223-1298INTERCHANGEABLE
CAULKING TOOL,HAND
30008
3010-00-289-7829INTERCHANGEABLE
COUPLING,SHAFT,RIGID
013
3433-00-373-1740INTERCHANGEABLE
TIP,WELDING TORCH
TYPE 13 SIZE 0
1650-00-442-8081INTERCHANGEABLE
GLAND,RUDDER ACTUAT
013
2530-00-692-9912INTERCHANGEABLE
BOLT,SHACKLE
013
5360-01-332-4069INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5360-01-351-1483INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
0-13
8145-01-524-7259INTERCHANGEABLE
CONTAINER,VERSA VAT
013
5331-01-641-2934INTERCHANGEABLE
O-RING
013

Frequently Asked Questions

What is NSN 5331-01-581-1320?

NSN 5331-01-581-1320 is a O-Ring, manufactured by Msc Industrial Supply, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-581-1320?

NSN 5331-01-581-1320 has 2 cross-referenced part numbers: 013 (Msc Industrial Supply), 10340220 (Nimikkeistokeskus Ncb Finland).

What NSN replaces 5331-01-581-1320?

There are 9 known substitutes for 5331-01-581-1320: 5120-00-223-1298, 3010-00-289-7829, 3433-00-373-1740 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 013?

Key specifications for 013: Special Features: 70 DUROMETER; Part Name Assigned by Controlling Agency: ORING, 70 DUROMETER; End Item Identification: 5855-01-573-2483, THERMO SIGHT MRTB AN/PAS-28. 3 total characteristics are documented in the Federal Logistics Information System.

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