PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS29561O-Ring

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5331-01-610-3306 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-610-3306 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-610-3306. Primary manufacturer part number: AS29561.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-610-3306, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-610-3306
Primary Part NumberAS29561
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5331-00-064-4641MS29561-265 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-800-51822740136 INTERCHANGEABLE
O-Ring
Meggitt Troy Inc
5331-00-800-6870MS29561-123 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-884-0940MS29561-347 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-892-4263MS29561-262 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-988-8809 INTERCHANGEABLE
O-Ring
5331-01-541-5873AS29561-011 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AS29561 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5331-00-064-4641INTERCHANGEABLE
O-RING
MS29561-265
5331-00-800-5182INTERCHANGEABLE
O-RING
2740136
5331-00-800-6870INTERCHANGEABLE
O-RING
MS29561-123
5331-00-884-0940INTERCHANGEABLE
O-RING
MS29561-347
5331-00-892-4263INTERCHANGEABLE
O-RING
MS29561-262
5331-00-988-8809INTERCHANGEABLE
O-RING
5331-01-541-5873INTERCHANGEABLE
O-RING
AS29561-011

Frequently Asked Questions

What is NSN 5331-01-610-3306?

NSN 5331-01-610-3306 is a O-Ring, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-610-3306?

NSN 5331-01-610-3306 has 1 cross-referenced part number: AS29561 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5331-01-610-3306?

There are 7 known substitutes for 5331-01-610-3306: 5331-00-064-4641, 5331-00-800-5182, 5331-00-800-6870 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS29561?

Key specifications for AS29561: Part Name Assigned by Controlling Agency: O-RING. 1 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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