PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

V3D10436 ITEM 8CPO-Ring

Naval Inventory Control Point Mechanicsburg · NSN 5331-01-657-9636 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-657-9636 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-657-9636. Primary manufacturer part number: V3D10436 ITEM 8CP.
Features
  • O-Ring — FSC 5331
  • Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
  • Criticality Code Justification: ZZZY
  • 10 verified cross-references
  • Primary manufacturer: Naval Inventory Control Point Mechanicsburg
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-657-9636, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-657-9636
Primary Part NumberV3D10436 ITEM 8CP
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Reference Number Differentiating CharacteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5331-00-166-0980AS3209-012 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-957-13802-012 V747-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-01-222-3501M83248/1-012 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-438-7519AS3209-012CP INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-463-8773M83248/1-012 INTERCHANGEABLE
Packing,preformed,a
Rolls Royce Corp
Cross-Reference Index
Part NumberManufacturer
V3D10436 ITEM 8CP Naval Inventory Control Point Mechanicsburg (USA)
F3C10321 ITEM 14CP Naval Inventory Control Point Mechanicsburg (USA)
M83248/1-012 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
V3D10436 ITEM 8 Vacco Industries (USA)
AC180-012CP Naval Inventory Control Point Mechanicsburg (USA)
M83248/1-012CP Naval Inventory Control Point Mechanicsburg (USA)
S3C10053 ITEM 7CP Naval Inventory Control Point Mechanicsburg (USA)
S3C10053 ITEM 7 Vacco Industries (USA)
AC180-012 Vacco Industries (USA)
F3C10321 ITEM 14 Vacco Industries (USA)
Related Parts
5331-00-166-0980INTERCHANGEABLE
O-RING
AS3209-012
5331-00-957-1380INTERCHANGEABLE
O-RING
2-012 V747-75
5331-01-222-3501INTERCHANGEABLE
O-RING
M83248/1-012
5331-01-438-7519INTERCHANGEABLE
O-RING
AS3209-012CP
5331-01-463-8773INTERCHANGEABLE
PACKING,PREFORMED,A
M83248/1-012

Frequently Asked Questions

What is NSN 5331-01-657-9636?

NSN 5331-01-657-9636 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 5331-01-657-9636?

NSN 5331-01-657-9636 has 10 cross-referenced part numbers: V3D10436 ITEM 8CP (Naval Inventory Control Point Mechanicsburg), F3C10321 ITEM 14CP (Naval Inventory Control Point Mechanicsburg), M83248/1-012 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), V3D10436 ITEM 8 (Vacco Industries), AC180-012CP (Naval Inventory Control Point Mechanicsburg) and 5 more.

What NSN replaces 5331-01-657-9636?

There are 5 known substitutes for 5331-01-657-9636: 5331-00-166-0980, 5331-00-957-1380, 5331-01-222-3501 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of V3D10436 ITEM 8CP?

Key specifications for V3D10436 ITEM 8CP: Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D; Criticality Code Justification: ZZZY; End Item Identification: MANIFOLD, PRE. 3 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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