PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

801-6405342 FIND 18CPO-Ring

Naval Inventory Control Point Mechanicsburg · NSN 5331-01-113-7794 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-113-7794 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-113-7794. Primary manufacturer part number: 801-6405342 FIND 18CP.
Features
  • O-Ring — FSC 5331
  • Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
  • Temp Rating: -30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
  • Criticality Code Justification: ZZZW
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS
  • Outside Diameter: 0.880 INCHES NOMINAL IN
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-113-7794, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-113-7794
Primary Part Number801-6405342 FIND 18CP
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Hardness Rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
Temp Rating-30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
Criticality Code JustificationZZZW
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS
Outside Diameter0.880 INCHES NOMINAL IN
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Departure From Cited DocumentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
Elongation Percentage125 MAXIMUM
MaterialRUBBER
Center Hole Diameter0.665 INCHES MINIMUM AND 0.683 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-00-166-1066M83248/1-115 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-864-7185 INTERCHANGEABLE
O-Ring
5331-01-253-0608 INTERCHANGEABLE
O-Ring
5331-01-463-8770M83248/1-115 INTERCHANGEABLE
Packing,preformed,a
Rolls Royce Corp
Cross-Reference Index
Part NumberManufacturer
801-6405342 FIND 18CP Naval Inventory Control Point Mechanicsburg (USA)
SAE-AMS7276 Sae International Dba Sae International (USA)
516-2005919ASSYB PIECE 32CP Naval Inventory Control Point Mechanicsburg (USA)
AS3209-115CP Society of Automotive Engineers Inc (USA)
M83248/1-115 Lockheed Martin Sippican, Inc. Div Communication Division (USA)
211004582 Naval Sea Systems Command (USA)
AS3209-115CP Sae International Dba Sae International (USA)
M83248/1-115 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
516-2005919ASSYB PIECE 32 Naval Ship Systems Command (USA)
5331PL0891145 Jednolity Indeks Materialowy - Uniform Material Index (POL)
211004582CP Naval Inventory Control Point Mechanicsburg (USA)
801-6405342 FIND18 Naval Sea Systems Command (USA)
M83248/1-115CP Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5331-00-166-1066INTERCHANGEABLE
O-RING
M83248/1-115
5331-00-864-7185INTERCHANGEABLE
O-RING
5331-01-253-0608INTERCHANGEABLE
O-RING
5331-01-463-8770INTERCHANGEABLE
PACKING,PREFORMED,A
M83248/1-115

Frequently Asked Questions

What is NSN 5331-01-113-7794?

NSN 5331-01-113-7794 is a O-Ring, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-113-7794?

NSN 5331-01-113-7794 has 13 cross-referenced part numbers: 801-6405342 FIND 18CP (Naval Inventory Control Point Mechanicsburg), SAE-AMS7276 (Sae International Dba Sae International), 516-2005919ASSYB PIECE 32CP (Naval Inventory Control Point Mechanicsburg), AS3209-115CP (Society of Automotive Engineers Inc), M83248/1-115 (Lockheed Martin Sippican, Inc. Div Communication Division) and 8 more.

What NSN replaces 5331-01-113-7794?

There are 4 known substitutes for 5331-01-113-7794: 5331-00-166-1066, 5331-00-864-7185, 5331-01-253-0608 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 801-6405342 FIND 18CP?

Key specifications for 801-6405342 FIND 18CP: Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM; Temp Rating: -30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF; Criticality Code Justification: ZZZW; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS. 10 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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