PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99-4113-229O-Ring

Hamilton Sundstrand Corporation · NSN 5331-00-291-3273 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-291-3273 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-291-3273. Primary manufacturer part number: 99-4113-229.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Center Hole Diameter: 2.349 INCHES MINIMUM AND 2.369 INCHES MAXIMUM IN
  • Outside Diameter: 2.609 INCHES MINIMUM AND 2.665 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 26 verified cross-references
  • Primary manufacturer: Hamilton Sundstrand Corporation
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-291-3273, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 23 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
NSN5331-00-291-3273
Primary Part Number99-4113-229
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHamilton Sundstrand Corporation
StatusCANCELLED
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Center Hole Diameter2.349 INCHES MINIMUM AND 2.369 INCHES MAXIMUM IN
Outside Diameter2.609 INCHES MINIMUM AND 2.665 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3120-00-126-4517H556C INTERCHANGEABLE
Bushing,sleeve
Siemens Energy, Inc.
5330-00-154-48397B8320 INTERCHANGEABLE
Seal,plain Encased
Caterpillar Inc Div Caterpillar Defense
5331-00-171-5371KS1321 INTERCHANGEABLE
O-Ring
Minor Rubber Co Inc
5360-00-449-2693 INTERCHANGEABLE
Spring,helical,compression
5950-00-482-370511229 INTERCHANGEABLE
Reactor
Freed Transformer Co
5136-00-580-7356 INTERCHANGEABLE
Tap,thread Cutting
2835-00-753-1442379854 INTERCHANGEABLE
Filter Element
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
6105-00-830-992011229 INTERCHANGEABLE
Motor,alternating Current
Elbitamerica, Inc.
5307-00-891-4007 INTERCHANGEABLE
Stud,self-Locking
5940-00-920-7114 INTERCHANGEABLE
Cover,terminal Board
Cross-Reference Index
Part NumberManufacturer
MS29513-229 Leonardo Uk Ltd (GBR)
229-C-69 Federal-Mogul Corp Chassis Products Div (USA)
1793-229 Parker-Hannifin Corporation Div O-Ring Division (USA)
2-229 N602-70 Parker Hannifin Gmbh O-Ring Division (DEU)
99-4113-229 PRIMARY Hamilton Sundstrand Corporation (USA)
MS29513-229 Society of Automotive Engineers Inc (USA)
2-229N602-70 Parker Hannifin France SAS (FRA)
N0602 2-229 Parker-Hannifin Corp Div O-Ring Division (USA)
MILP5315 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS29513-229 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
11-229 Strohmeyer, Julie a. Dba Julie a. Strohmeyer (USA)
MS29513-229 Dnc Officine Srl (ITA)
2-229N602-70 Parker-Hannifin Corp Div O-Ring Division (USA)
MS29513-229 Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton (USA)
MS29513-229 Leonardo Spa Helicopters Division - Production Site (ITA)
SR-822A-60-229 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
210174-229 Eaton Corporation Dba Eaton Inoac (USA)
A-229SR8019-65 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
900360 L3 Technologies, Inc. Div L3 Keo (USA)
457-60-229 Parco, Llc (USA)
Related Parts
3120-00-126-4517INTERCHANGEABLE
BUSHING,SLEEVE
H556C
5330-00-154-4839INTERCHANGEABLE
SEAL,PLAIN ENCASED
7B8320
5331-00-171-5371INTERCHANGEABLE
O-RING
KS1321
5360-00-449-2693INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5950-00-482-3705INTERCHANGEABLE
REACTOR
11229
5136-00-580-7356INTERCHANGEABLE
TAP,THREAD CUTTING
2835-00-753-1442INTERCHANGEABLE
FILTER ELEMENT
379854
6105-00-830-9920INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
11229
5307-00-891-4007INTERCHANGEABLE
STUD,SELF-LOCKING
5940-00-920-7114INTERCHANGEABLE
COVER,TERMINAL BOARD
2915-01-035-1124INTERCHANGEABLE
DRIVER
11229
5331-01-300-1205INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-00-291-3273?

NSN 5331-00-291-3273 is a O-Ring, manufactured by Hamilton Sundstrand Corporation, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-291-3273?

NSN 5331-00-291-3273 has 26 cross-referenced part numbers: MS29513-229 (Leonardo Uk Ltd), 229-C-69 (Federal-Mogul Corp Chassis Products Div), 1793-229 (Parker-Hannifin Corporation Div O-Ring Division), 2-229 N602-70 (Parker Hannifin Gmbh O-Ring Division), 99-4113-229 (Hamilton Sundstrand Corporation) and 21 more.

What NSN replaces 5331-00-291-3273?

There are 12 known substitutes for 5331-00-291-3273: 3120-00-126-4517, 5330-00-154-4839, 5331-00-171-5371 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 99-4113-229?

Key specifications for 99-4113-229: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 2.349 INCHES MINIMUM AND 2.369 INCHES MAXIMUM IN; Outside Diameter: 2.609 INCHES MINIMUM AND 2.665 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-291-3273 still in active supply?

NSN 5331-00-291-3273 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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