PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMB544229O-Ring

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5331-00-933-7072 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-933-7072 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-933-7072. Primary manufacturer part number: SMB544229.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SILICONE CLASS Q
  • Temp Rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
  • Center Hole Diameter: 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
  • Hardness Rating: 60.0 SHORE DUROMETER A NOMINAL
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • 8 verified cross-references
  • Primary manufacturer: Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Silicone Class Q construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-933-7072, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-933-7072
Primary Part NumberSMB544229
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
MaterialRUBBER SILICONE CLASS Q
Temp Rating-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
Center Hole Diameter1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
Hardness Rating60.0 SHORE DUROMETER A NOMINAL
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
9320-00-024-5088 INTERCHANGEABLE
Rubber Strip
5331-00-135-3009 INTERCHANGEABLE
O-Ring
5331-00-138-0063 INTERCHANGEABLE
O-Ring
5331-00-241-1073PRP568-036-1235-50 INTERCHANGEABLE
O-Ring
Parco, Llc
5331-00-584-2032100074 INTERCHANGEABLE
O-Ring
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
9320-00-641-1279 INTERCHANGEABLE
Rubber Sheet,solid
5331-00-825-9211 INTERCHANGEABLE
O-Ring
5331-00-912-2643 INTERCHANGEABLE
O-Ring
9320-00-924-6328 INTERCHANGEABLE
Rubber Sheet,solid
5331-00-964-28072-241S595-50 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
Cross-Reference Index
Part NumberManufacturer
SMB544229 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
AMS3302 Society of Automotive Engineers Inc (USA)
MIL-STD-413 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AMS3302 Sae International Dba Sae International (USA)
10352014 Nimikkeistokeskus Ncb Finland (FIN)
AS568-217 Sae International Dba Sae International (USA)
5330009337072 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
AS568-217 Society of Automotive Engineers Inc (USA)
Related Parts
9320-00-024-5088INTERCHANGEABLE
RUBBER STRIP
5331-00-135-3009INTERCHANGEABLE
O-RING
5331-00-138-0063INTERCHANGEABLE
O-RING
5331-00-241-1073INTERCHANGEABLE
O-RING
PRP568-036-1235-50
5331-00-584-2032INTERCHANGEABLE
O-RING
100074
9320-00-641-1279INTERCHANGEABLE
RUBBER SHEET,SOLID
5331-00-825-9211INTERCHANGEABLE
O-RING
5331-00-912-2643INTERCHANGEABLE
O-RING
9320-00-924-6328INTERCHANGEABLE
RUBBER SHEET,SOLID
5331-00-964-2807INTERCHANGEABLE
O-RING
2-241S595-50
9320-01-025-6281INTERCHANGEABLE
RUBBER STRIP
9320-01-025-6283INTERCHANGEABLE
RUBBER STRIP

Frequently Asked Questions

What is NSN 5331-00-933-7072?

NSN 5331-00-933-7072 is a O-Ring, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-933-7072?

NSN 5331-00-933-7072 has 8 cross-referenced part numbers: SMB544229 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), AMS3302 (Society of Automotive Engineers Inc), MIL-STD-413 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AMS3302 (Sae International Dba Sae International), 10352014 (Nimikkeistokeskus Ncb Finland) and 3 more.

What NSN replaces 5331-00-933-7072?

There are 12 known substitutes for 5331-00-933-7072: 9320-00-024-5088, 5331-00-135-3009, 5331-00-138-0063 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SMB544229?

Key specifications for SMB544229: Material: RUBBER SILICONE CLASS Q; Temp Rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF; Center Hole Diameter: 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN; Hardness Rating: 60.0 SHORE DUROMETER A NOMINAL. 5 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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