AB DEFENCE

M109 Self-Propelled Howitzer — O-ring – NSN 5331-00-618-5361 – Part No: MS28775-015

SKU
AB-2882
NSN
5331-00-618-5361
Part number
MS28775-015
Product information ↓

AB DEFENCE

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M109 Self-Propelled Howitzer — O-ring – NSN 5331-00-618-5361 – Part No: MS28775-015

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Product information

O-ring (NSN 5331-00-618-5361 (5331006185361) / Part No MS28775-015) for M109 Self-Propelled Howitzer. Genuine NATO-standard military vehicle spare part supplied by AB Defence with full traceability and export compliance.

Technical Identification & NATO Cross-Reference Matrix

O-ring (NSN 5331-00-618-5361 (5331006185361) / Part No MS28775-015) is a defense-grade replacement component engineered for M109 Self-Propelled Howitzer fleets and compatible military land platforms. Classified under Body, Panel & Gasket Solutions (Body, Panel & Gasket Solutions), this part meets strict dimensional, metallurgical, and environmental tolerances required for tactical field maintenance and depot-level overhaul programs.

Technical ParameterSpecification & Reference Value
Component NomenclatureO-ring
Primary Vehicle PlatformM109 Self-Propelled Howitzer
Subsystem / Functional GroupBody, Panel & Gasket Solutions
NATO Stock Number (Dashed)5331-00-618-5361
NSN (13-Digit Unformatted)5331006185361
NIIN (National Item ID Number)00-618-5361 / 006185361
Federal Supply Class (FSC / FSG)FSC 5331 (FSG 53) — Body, Panel & Gasket Solutions
NCB Codification Country00 — United States (DLA / US DoD)
Manufacturer / OEM Part NumberMS28775-015
Cross-Reference Search Codes5331-00-618-5361, 5331006185361, NIIN 00-618-5361, NIIN 006185361, MS28775-015, MS28775015
Manufacturer / Platform EcosystemBAE Systems / FMC
Quality & Traceability StandardNATO STANAG / MIL-STD Compliant — Certificate of Conformity (CoC) & Batch Traceability

Subsystem Engineering Role & Maintenance Protocol

  • Functional Application: Engineered to sustain mission-critical reliability within Body, Panel & Gasket Solutions assemblies under extreme thermal, mechanical, and cross-country vibration loads.
  • Platform Integration: Specifically cross-referenced for M109 Self-Propelled Howitzer maintenance schedules, ensuring direct fitment, interchangeability, and zero modification during unit replacement.
  • Preventive Maintenance & Inspection: During scheduled periodic maintenance (PMCS) or subsystem overhaul, inspect mating interfaces, torque specifications, and fluid/electrical seals alongside adjacent Body, Panel & Gasket Solutions assemblies to prevent cascading downtime.

Defense Procurement, Documentation & Global Export Supply

AB Defence supplies verified OEM and NATO-codified spare parts to Ministries of Defence, armed forces maintenance commands, and prime defense contractors worldwide. Every shipment of NSN 5331-00-618-5361 (5331006185361) / Part No MS28775-015 is supported by controlled documentation, serial/lot traceability, military-grade protective packaging, and full export compliance. Explore our complete M109 Self-Propelled Howitzer Spare Parts & Sustainment Coverage or submit a Request for Quotation (RFQ) using the form above.

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