PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BU90-8CP-P4Packing,preformed

Swagelok Co · NSN 5330-01-205-2855 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-205-2855 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-205-2855. Primary manufacturer part number: BU90-8CP-P4.
Features
  • Packing,preformed — FSC 5330
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
  • Center Hole Diameter: 0.357 INCHES MINIMUM AND 0.367 INCHES MAXIMUM IN
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
  • Peripheral Diameter: 0.568 INCHES NOMINAL IN
Applications
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Overall construction
General Description

The Packing,preformed, cataloged under National Stock Number 5330-01-205-2855, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Swagelok Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-205-2855
Primary Part NumberBU90-8CP-P4
Item NamePacking,preformed
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSwagelok Co
StatusACTIVE
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
Center Hole Diameter0.357 INCHES MINIMUM AND 0.367 INCHES MAXIMUM IN
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Temp Rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
Peripheral Diameter0.568 INCHES NOMINAL IN
Elongation Percentage160 MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-585-6663 INTERCHANGEABLE
O-Ring
5331-01-025-9996MS28775-110 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-160-2508M83461/1-110 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
BU90-8CP-P4 Swagelok Co (USA)
MS28775-110 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
BU90-8CP-P4 Nupro Co (USA)
5330PL0143327 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS28775-110 Sae International Dba Sae International (USA)
MIL-P-25732 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS28775-110 Society of Automotive Engineers Inc (USA)
Related Parts
5331-00-585-6663INTERCHANGEABLE
O-RING
5331-01-025-9996INTERCHANGEABLE
O-RING
MS28775-110
5331-01-160-2508INTERCHANGEABLE
O-RING
M83461/1-110

Frequently Asked Questions

What is NSN 5330-01-205-2855?

NSN 5330-01-205-2855 is a Packing,preformed, manufactured by Swagelok Co, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-205-2855?

NSN 5330-01-205-2855 has 7 cross-referenced part numbers: BU90-8CP-P4 (Swagelok Co), MS28775-110 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), BU90-8CP-P4 (Nupro Co), 5330PL0143327 (Jednolity Indeks Materialowy - Uniform Material Index), MS28775-110 (Sae International Dba Sae International) and 2 more.

What NSN replaces 5330-01-205-2855?

There are 3 known substitutes for 5330-01-205-2855: 5331-00-585-6663, 5331-01-025-9996, 5331-01-160-2508. Verify interchangeability with system specifications before substitution.

What are the specifications of BU90-8CP-P4?

Key specifications for BU90-8CP-P4: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL; Center Hole Diameter: 0.357 INCHES MINIMUM AND 0.367 INCHES MAXIMUM IN; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 8 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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