PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-222O-Ring

Gross Mechanical Laboratories Inc · NSN 5331-00-068-1782 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-068-1782 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-068-1782. Primary manufacturer part number: 2-222.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Cross-Sectional Height: 0.143 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Gross Mechanical Laboratories Inc
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 5331-00-068-1782, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Gross Mechanical Laboratories Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-068-1782
Primary Part Number2-222
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerGross Mechanical Laboratories Inc
StatusACTIVE
MaterialRUBBER SYNTHETIC
Cross-Sectional Height0.143 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6605-00-193-688801222 INTERCHANGEABLE
Board Assembly
L3harris Mas Inc Div L3harris Mas Inc.
4820-00-384-0253NV104C4-4 INTERCHANGEABLE
Cock,shutoff,screw Stem
Parker-Hannifin Corp Div Fluid System Connector Division
5815-00-976-1116 INTERCHANGEABLE
Shaft
5331-01-152-884541-10395-00 INTERCHANGEABLE
O-Ring
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
6520-01-180-699301222 INTERCHANGEABLE
Point,endodontic
Hygenic Corp the
Cross-Reference Index
Part NumberManufacturer
2-222 PRIMARY Gross Mechanical Laboratories Inc (USA)
01-222 Gross Mechanical Laboratories Inc (USA)
2-222 Fincantieri S.p.a. Div Direzione Navi Militari (ITA)
2-222 Parker Hannifin B.v. (NLD)
Related Parts
6605-00-193-6888INTERCHANGEABLE
BOARD ASSEMBLY
01222
4820-00-384-0253INTERCHANGEABLE
COCK,SHUTOFF,SCREW STEM
NV104C4-4
5815-00-976-1116INTERCHANGEABLE
SHAFT
5331-01-152-8845INTERCHANGEABLE
O-RING
41-10395-00
6520-01-180-6993INTERCHANGEABLE
POINT,ENDODONTIC
01222

Frequently Asked Questions

What is NSN 5331-00-068-1782?

NSN 5331-00-068-1782 is a O-Ring, manufactured by Gross Mechanical Laboratories Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-068-1782?

NSN 5331-00-068-1782 has 4 cross-referenced part numbers: 2-222 (Gross Mechanical Laboratories Inc), 01-222 (Gross Mechanical Laboratories Inc), 2-222 (Fincantieri S.p.a. Div Direzione Navi Militari), 2-222 (Parker Hannifin B.v.).

What NSN replaces 5331-00-068-1782?

There are 5 known substitutes for 5331-00-068-1782: 6605-00-193-6888, 4820-00-384-0253, 5815-00-976-1116 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-222?

Key specifications for 2-222: Material: RUBBER SYNTHETIC; Cross-Sectional Height: 0.143 INCHES NOMINAL IN. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com