PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D40-0002 ITEM NO. 5CPO-Ring

Naval Inventory Control Point Mechanicsburg · NSN 5331-01-632-0324 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-632-0324 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-632-0324. Primary manufacturer part number: D40-0002 ITEM NO. 5CP.
Features
  • O-Ring — FSC 5331
  • Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
  • Criticality Code Justification: ZZZY
  • 6 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 5331-01-632-0324, 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 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-632-0324
Primary Part NumberD40-0002 ITEM NO. 5CP
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 2
3120-00-064-7687 INTERCHANGEABLE
Plate,bearing
5325-00-505-0503 INTERCHANGEABLE
Ring,retaining
Cross-Reference Index
Part NumberManufacturer
D40-0002 ITEM NO. 5CP Naval Inventory Control Point Mechanicsburg (USA)
MIL-STD-1330 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AS3568-020 Spanjer Bros Inc (USA)
D40-0002 ITEM NO. 5 Dante Valve Company (USA)
AS3568-020CP Sae International Dba Sae International (USA)
AS3568-020CP Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
3120-00-064-7687INTERCHANGEABLE
PLATE,BEARING
5325-00-505-0503INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 5331-01-632-0324?

NSN 5331-01-632-0324 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 5331-01-632-0324?

NSN 5331-01-632-0324 has 6 cross-referenced part numbers: D40-0002 ITEM NO. 5CP (Naval Inventory Control Point Mechanicsburg), MIL-STD-1330 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AS3568-020 (Spanjer Bros Inc), D40-0002 ITEM NO. 5 (Dante Valve Company), AS3568-020CP (Sae International Dba Sae International) and 1 more.

What NSN replaces 5331-01-632-0324?

There are 2 known substitutes for 5331-01-632-0324: 3120-00-064-7687, 5325-00-505-0503. Verify interchangeability with system specifications before substitution.

What are the specifications of D40-0002 ITEM NO. 5CP?

Key specifications for D40-0002 ITEM NO. 5CP: End Item Identification: VALVE, ANGELE; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D; Criticality Code Justification: ZZZY. 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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