PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52561A466O-Ring

Dover Resources, Inc. Div Norriseal · NSN 5331-00-244-2869 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-244-2869 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-244-2869. Primary manufacturer part number: 52561A466.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 18.908 INCHES MINIMUM AND 19.102 INCHES MAXIMUM IN
  • Elongation Percentage: 331 MAXIMUM
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • Temp Rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU
  • Center Hole Diameter: 18.370 INCHES MINIMUM AND 18.540 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr or Rubber Polyester Urethane Class Au or Rubber Polyether Urethane Class Eu construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-244-2869, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Dover Resources, Inc. Div Norriseal. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-244-2869
Primary Part Number52561A466
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerDover Resources, Inc. Div Norriseal
StatusACTIVE
Outside Diameter18.908 INCHES MINIMUM AND 19.102 INCHES MAXIMUM IN
Elongation Percentage331 MAXIMUM
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
Temp Rating-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU
Center Hole Diameter18.370 INCHES MINIMUM AND 18.540 INCHES MAXIMUM IN
Cross-Sectional Height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5930-00-258-554120378-1C INTERCHANGEABLE
Switch,toggle
Gaf Corp
5905-00-581-0703 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5950-01-006-7865PEI 6499 INTERCHANGEABLE
Transformer,power,vibrator
Precision Electronics, Inc
6145-01-019-0773 INTERCHANGEABLE
Wire,electrical
3120-01-143-822825004 INTERCHANGEABLE
Bushing,sleeve
Jetstream of Houston, Llp Dba Jetstream of Houston Llp
5340-01-217-196825004 INTERCHANGEABLE
Clip,retaining
Twg Canada Consolidated Inc
5325-01-461-77673418AS6243 INTERCHANGEABLE
Fastener,positive Lock
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5925-01-565-517925004 INTERCHANGEABLE
Circuit Breaker
Schneider Electric Usa, Inc.
6515-01-597-9444303005 INTERCHANGEABLE
Needle,hypodermic
Becton, Dickinson and Company Dba Becton Dickinson & Co
5120-01-653-7599 INTERCHANGEABLE
Punch,aligning
Cross-Reference Index
Part NumberManufacturer
N0674 2-466 Parker-Hannifin Corp Div O-Ring Division (USA)
2-466 N674-7 Parker-Hannifin Corp Div O-Ring Division (USA)
25004 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
AS568-466 Society of Automotive Engineers Inc (USA)
AS568-466 Sae International Dba Sae International (USA)
52561A466 Norriseal Norris Values Div Dba Dover Co (USA)
52561A466 PRIMARY Dover Resources, Inc. Div Norriseal (USA)
Related Parts
5930-00-258-5541INTERCHANGEABLE
SWITCH,TOGGLE
20378-1C
5905-00-581-0703INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5950-01-006-7865INTERCHANGEABLE
TRANSFORMER,POWER,VIBRATOR
PEI 6499
6145-01-019-0773INTERCHANGEABLE
WIRE,ELECTRICAL
3120-01-143-8228INTERCHANGEABLE
BUSHING,SLEEVE
25004
5340-01-217-1968INTERCHANGEABLE
CLIP,RETAINING
25004
5325-01-461-7767INTERCHANGEABLE
FASTENER,POSITIVE LOCK
3418AS6243
5925-01-565-5179INTERCHANGEABLE
CIRCUIT BREAKER
25004
6515-01-597-9444INTERCHANGEABLE
NEEDLE,HYPODERMIC
303005
5120-01-653-7599INTERCHANGEABLE
PUNCH,ALIGNING
5120-01-682-3490INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
25-004

Frequently Asked Questions

What is NSN 5331-00-244-2869?

NSN 5331-00-244-2869 is a O-Ring, manufactured by Dover Resources, Inc. Div Norriseal, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-244-2869?

NSN 5331-00-244-2869 has 7 cross-referenced part numbers: N0674 2-466 (Parker-Hannifin Corp Div O-Ring Division), 2-466 N674-7 (Parker-Hannifin Corp Div O-Ring Division), 25004 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.), AS568-466 (Society of Automotive Engineers Inc), AS568-466 (Sae International Dba Sae International) and 2 more.

What NSN replaces 5331-00-244-2869?

There are 11 known substitutes for 5331-00-244-2869: 5930-00-258-5541, 5905-00-581-0703, 5950-01-006-7865 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52561A466?

Key specifications for 52561A466: Outside Diameter: 18.908 INCHES MINIMUM AND 19.102 INCHES MAXIMUM IN; Elongation Percentage: 331 MAXIMUM; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Temp Rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF. 7 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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