PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6318O-Ring

Greno Industries, Inc. Dba Greno Industries Inc · NSN 5331-01-250-6629 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-250-6629 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-250-6629. Primary manufacturer part number: 6318.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Greno Industries, Inc. Dba Greno Industries Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-250-6629, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Greno Industries, Inc. Dba Greno Industries Inc. 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)
ManufacturersGreno Industries, Inc. Dba Greno Industries Inc (CAGE 62654)
Technical Specifications
ParameterValue
NSN5331-01-250-6629
Primary Part Number6318
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerGreno Industries, Inc. Dba Greno Industries Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5815-00-126-41846318 INTERCHANGEABLE
Plate,retainer
Telemechanics Inc
3110-00-144-8937 INTERCHANGEABLE
Bearing,ball,annular
8345-00-233-3025 INTERCHANGEABLE
Flag,national
8345-00-247-0381 INTERCHANGEABLE
Flag,national
8345-00-247-0405 INTERCHANGEABLE
Flag,national
5330-00-285-584548821 INTERCHANGEABLE
Seal,plain Encased
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5340-00-362-9826104038 INTERCHANGEABLE
Clevis,rod End
Us Army Aviation and Missile Command
6645-00-474-3599113944-001 INTERCHANGEABLE
Meter Assy-Hour---a
Dynapar Corp Div Specialty Product Technologies
5935-00-612-4229712262-13 INTERCHANGEABLE
Connector,receptacle,electrical
Raytheon Company Div Rmd Strategic
5310-00-637-9541019-00004-42 INTERCHANGEABLE
Washer,lock
Kovatch Corp.
Cross-Reference Index
Part NumberManufacturer
6318 PRIMARY Greno Industries, Inc. Dba Greno Industries Inc (USA)
6350-1 PIECE 20 Greno Industries, Inc. Dba Greno Industries Inc (USA)
Related Parts
5815-00-126-4184INTERCHANGEABLE
PLATE,RETAINER
6318
3110-00-144-8937INTERCHANGEABLE
BEARING,BALL,ANNULAR
8345-00-233-3025INTERCHANGEABLE
FLAG,NATIONAL
8345-00-247-0381INTERCHANGEABLE
FLAG,NATIONAL
8345-00-247-0405INTERCHANGEABLE
FLAG,NATIONAL
5330-00-285-5845INTERCHANGEABLE
SEAL,PLAIN ENCASED
48821
5340-00-362-9826INTERCHANGEABLE
CLEVIS,ROD END
104038
6645-00-474-3599INTERCHANGEABLE
METER ASSY-HOUR---A
113944-001
5935-00-612-4229INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
712262-13
5310-00-637-9541INTERCHANGEABLE
WASHER,LOCK
019-00004-42
3439-00-895-2940INTERCHANGEABLE
TIP,ELECTRIC SOLDERING IRON
5950-01-272-3448INTERCHANGEABLE
REACTOR
6318

Frequently Asked Questions

What is NSN 5331-01-250-6629?

NSN 5331-01-250-6629 is a O-Ring, manufactured by Greno Industries, Inc. Dba Greno Industries Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-250-6629?

NSN 5331-01-250-6629 has 2 cross-referenced part numbers: 6318 (Greno Industries, Inc. Dba Greno Industries Inc), 6350-1 PIECE 20 (Greno Industries, Inc. Dba Greno Industries Inc).

What NSN replaces 5331-01-250-6629?

There are 12 known substitutes for 5331-01-250-6629: 5815-00-126-4184, 3110-00-144-8937, 8345-00-233-3025 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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