PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30O-Ring

Dayton-Walther Corp · NSN 5331-00-579-6349 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-579-6349 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-579-6349. Primary manufacturer part number: 30.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Cross-Sectional Height: 0.125 INCHES NOMINAL IN
  • 9 verified cross-references
  • Primary manufacturer: Dayton-Walther Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-579-6349, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Dayton-Walther Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-579-6349
Primary Part Number30
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerDayton-Walther Corp
StatusCANCELLED
MaterialRUBBER SYNTHETIC
Cross-Sectional Height0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2530-00-189-53505376 INTERCHANGEABLE
Shaft and Column,st
Eaton Corporation Div Eaton Fluid Power
4820-00-289-3334 INTERCHANGEABLE
Cock,plug
6515-00-309-134038-5376-1 INTERCHANGEABLE
Intravenous Injection Set
Becton Dickinson and Co Acutecare Div
2990-00-378-2792T-5376 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
5915-00-426-82985376 INTERCHANGEABLE
Filter,band Pass
Bird Electronic Corporation Div Bird Electronic Corp
6115-00-474-3496 INTERCHANGEABLE
Lever-Gov Push Rod-
4930-00-689-5579 INTERCHANGEABLE
Meter Unit
5120-00-812-42385376 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Wta Tool Llc
5330-00-959-89015376 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
4710-01-109-3252PWA52041 INTERCHANGEABLE
Tube,guide,borescope
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
120RCLASS1SIZE0V21 Sae International Dba Sae International (USA)
682241BE Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
30 PRIMARY Dayton-Walther Corp (USA)
5-37-6 PRIMARY Cincinnati Gasket, Packing & Mfg. Inc., the (USA)
120RCLASS1SIZE0V21 Society of Automotive Engineers Inc (USA)
25K-40104 Zf Industrieantriebe Witten Gmbh (DEU)
25K40104 Clark Equipment Co (USA)
B1085 PRIMARY Dayton-Walther Corp (USA)
682241-AS Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
2530-00-189-5350INTERCHANGEABLE
SHAFT AND COLUMN,ST
5376
4820-00-289-3334INTERCHANGEABLE
COCK,PLUG
6515-00-309-1340INTERCHANGEABLE
INTRAVENOUS INJECTION SET
38-5376-1
2990-00-378-2792INTERCHANGEABLE
MUFFLER,EXHAUST
T-5376
5915-00-426-8298INTERCHANGEABLE
FILTER,BAND PASS
5376
6115-00-474-3496INTERCHANGEABLE
LEVER-GOV PUSH ROD-
4930-00-689-5579INTERCHANGEABLE
METER UNIT
5120-00-812-4238INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5376
5330-00-959-8901INTERCHANGEABLE
SEAL,PLAIN ENCASED
5376
4710-01-109-3252INTERCHANGEABLE
TUBE,GUIDE,BORESCOPE
PWA52041
3110-01-169-4402INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
5376
5330-01-205-9243INTERCHANGEABLE
SEAL,NONMETALLIC ROUND SECTION
5376

Frequently Asked Questions

What is NSN 5331-00-579-6349?

NSN 5331-00-579-6349 is a O-Ring, manufactured by Dayton-Walther Corp, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-579-6349?

NSN 5331-00-579-6349 has 9 cross-referenced part numbers: 120RCLASS1SIZE0V21 (Sae International Dba Sae International), 682241BE (Hyster-Yale Group, Inc. Dba Yale Materials Handling), 30 (Dayton-Walther Corp), 5-37-6 (Cincinnati Gasket, Packing & Mfg. Inc., the), 120RCLASS1SIZE0V21 (Society of Automotive Engineers Inc) and 4 more.

What NSN replaces 5331-00-579-6349?

There are 12 known substitutes for 5331-00-579-6349: 2530-00-189-5350, 4820-00-289-3334, 6515-00-309-1340 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30?

Key specifications for 30: Material: RUBBER SYNTHETIC; Cross-Sectional Height: 0.125 INCHES NOMINAL IN. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-579-6349 still in active supply?

NSN 5331-00-579-6349 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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