PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILP5315O-Ring

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5331-00-534-8833 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-534-8833 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-534-8833. Primary manufacturer part number: MILP5315.
Features
  • O-Ring — FSC 5331
  • Elongation Percentage: 260 MAXIMUM
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • Material: RUBBER SYNTHETIC
  • Temp Rating: -55.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
  • Center Hole Diameter: 4.949 INCHES MINIMUM AND 5.019 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.125 INCHES NOMINAL IN
  • Outside Diameter: 5.219 INCHES MINIMUM AND 5.305 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-534-8833, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-534-8833
Primary Part NumberMILP5315
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Elongation Percentage260 MAXIMUM
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
MaterialRUBBER SYNTHETIC
Temp Rating-55.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
Center Hole Diameter4.949 INCHES MINIMUM AND 5.019 INCHES MAXIMUM IN
Cross-Sectional Height0.125 INCHES NOMINAL IN
Outside Diameter5.219 INCHES MINIMUM AND 5.305 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-013-7774CM1-250-B46A INTERCHANGEABLE
O-Ring
Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
Cross-Reference Index
Part NumberManufacturer
MILP5315 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5430-28 Zf Industrieantriebe Witten Gmbh (DEU)
5430-28 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
GV31-525-5-70D Automatic Switch Company Dba Asco (USA)
2-250 N103-70 Parker-Hannifin Corp Div O-Ring Division (USA)
2-250 N103-70 Parker Hannifin Gmbh O-Ring Division (DEU)
Related Parts
5331-00-013-7774INTERCHANGEABLE
O-RING
CM1-250-B46A

Frequently Asked Questions

What is NSN 5331-00-534-8833?

NSN 5331-00-534-8833 is a O-Ring, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-534-8833?

NSN 5331-00-534-8833 has 6 cross-referenced part numbers: MILP5315 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 5430-28 (Zf Industrieantriebe Witten Gmbh), 5430-28 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), GV31-525-5-70D (Automatic Switch Company Dba Asco), 2-250 N103-70 (Parker-Hannifin Corp Div O-Ring Division) and 1 more.

What NSN replaces 5331-00-534-8833?

There is 1 known substitute for 5331-00-534-8833: 5331-00-013-7774. Verify interchangeability with system specifications before substitution.

What are the specifications of MILP5315?

Key specifications for MILP5315: Elongation Percentage: 260 MAXIMUM; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Material: RUBBER SYNTHETIC; Temp Rating: -55.0 FAHRENHEIT AND 225.0 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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