PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

845-1889587PC19(0.50IN)O-Ring

Naval Ship Systems Command · NSN 5331-01-244-3527 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-244-3527 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-244-3527. Primary manufacturer part number: 845-1889587PC19(0.50IN).
Features
  • O-Ring — FSC 5331
  • Criticality Code Justification: ZZZY
  • Cross-Sectional Height: 0.062 INCHES NOMINAL IN
  • Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
  • Elongation Percentage: 160 MAXIMUM
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Center Hole Diameter: 1.000 INCHES NOMINAL IN
  • Outside Diameter: 1.129 INCHES NOMINAL IN
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 5331-01-244-3527, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 10 manufacturers, 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
NSN5331-01-244-3527
Primary Part Number845-1889587PC19(0.50IN)
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerNaval Ship Systems Command
StatusACTIVE
Criticality Code JustificationZZZY
Cross-Sectional Height0.062 INCHES NOMINAL IN
Temp Rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
Elongation Percentage160 MAXIMUM
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Center Hole Diameter1.000 INCHES NOMINAL IN
Outside Diameter1.129 INCHES NOMINAL IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5331-00-691-01452-222N756-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5330-01-051-99890-55 INTERCHANGEABLE
Gasket
Teledyne Instruments Inc Dba Teledyne Analytical Instruments Div Teledyne Analytical Instruments
8110-01-343-1697PC570600UDERGBR INTERCHANGEABLE
Drum,shipping and Storage
Mauser Corp.
5325-01-351-7020407515 ITEM 23 INTERCHANGEABLE
Ring,retaining
Palfinger Marine Usa, Llc
3441-01-360-8777154070055 INTERCHANGEABLE
Folding Machine,sheet Metal,bar
Rw Acquisition, Llc Dba Roper Whitney Company
4320-01-440-5314 INTERCHANGEABLE
Pump Subassembly,rotary
8145-01-565-5546055 INTERCHANGEABLE
Container,protective Collapsible
Pikes Peak Cargo Secure, Inc
Cross-Reference Index
Part NumberManufacturer
845-1889587PC19(0.50IN) Naval Ship Systems Command (USA)
MS-28775-022 Zf Industrieantriebe Witten Gmbh (DEU)
2-022N180-7 Zf Industrieantriebe Witten Gmbh (DEU)
V1D10203PC18 Vacco Industries (USA)
MS28775-022 Sae International Dba Sae International (USA)
845-2445177PC4,0.500IN Naval Ship Systems Command (USA)
0-55 Teledyne Instruments Inc Dba Teledyne Analytical Instruments Div Teledyne Analytical Instruments (USA)
N180-022 Zf Industrieantriebe Witten Gmbh (DEU)
MS28775-022 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5331PL1762346 Jednolity Indeks Materialowy - Uniform Material Index (POL)
845-2445100PC4,0.500IN Naval Ship Systems Command (USA)
2620-902PC19,0.500IN Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2591-010 Zf Industrieantriebe Witten Gmbh (DEU)
2632-903X1PC4,0.500IN Electric Boat Corporation Div General Dynamics Electric Boat (USA)
1376-23-170 Zf Industrieantriebe Witten Gmbh (DEU)
2-022N304-75 Zf Industrieantriebe Witten Gmbh (DEU)
MS28775-022 Dbr Industries, Inc. Dba Dbr Industries Inc (USA)
2-022N180 Zf Industrieantriebe Witten Gmbh (DEU)
MS28775-022 Society of Automotive Engineers Inc (USA)
5331PL0804482 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5331-00-691-0145INTERCHANGEABLE
O-RING
2-222N756-75
5330-01-051-9989INTERCHANGEABLE
GASKET
0-55
8110-01-343-1697INTERCHANGEABLE
DRUM,SHIPPING AND STORAGE
PC570600UDERGBR
5325-01-351-7020INTERCHANGEABLE
RING,RETAINING
407515 ITEM 23
3441-01-360-8777INTERCHANGEABLE
FOLDING MACHINE,SHEET METAL,BAR
154070055
4320-01-440-5314INTERCHANGEABLE
PUMP SUBASSEMBLY,ROTARY
8145-01-565-5546INTERCHANGEABLE
CONTAINER,PROTECTIVE COLLAPSIBLE
055

Frequently Asked Questions

What is NSN 5331-01-244-3527?

NSN 5331-01-244-3527 is a O-Ring, manufactured by Naval Ship Systems Command, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-244-3527?

NSN 5331-01-244-3527 has 20 cross-referenced part numbers: 845-1889587PC19(0.50IN) (Naval Ship Systems Command), MS-28775-022 (Zf Industrieantriebe Witten Gmbh), 2-022N180-7 (Zf Industrieantriebe Witten Gmbh), V1D10203PC18 (Vacco Industries), MS28775-022 (Sae International Dba Sae International) and 15 more.

What NSN replaces 5331-01-244-3527?

There are 7 known substitutes for 5331-01-244-3527: 5331-00-691-0145, 5330-01-051-9989, 8110-01-343-1697 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 845-1889587PC19(0.50IN)?

Key specifications for 845-1889587PC19(0.50IN): Criticality Code Justification: ZZZY; Cross-Sectional Height: 0.062 INCHES NOMINAL IN; Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Special Features: MIL-I-45208; MIL-STD-129. 9 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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