PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BA3959Gasket

Stillman Seal Corporation Div Stillman Seal Corperation · NSN 5330-00-842-8275 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-842-8275 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-842-8275. Primary manufacturer part number: BA3959.
Features
  • Gasket — FSC 5330
  • Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: ALUMINUM ALLOY 6061 OVERALL
  • Cross-Sectional Thickness: 0.125 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN
  • Gage Thickness: 0.077 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: METAL
  • Material Document and Classification: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Center to Center Distance: 0.146 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Aluminum Alloy 6061 Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-842-8275, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stillman Seal Corporation Div Stillman Seal Corperation. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-842-8275
Primary Part NumberBA3959
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerStillman Seal Corporation Div Stillman Seal Corperation
StatusACTIVE
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialALUMINUM ALLOY 6061 OVERALL
Cross-Sectional Thickness0.125 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN
Gage Thickness0.077 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
Cross-Sectional Shape StyleMETAL
Material Document and ClassificationQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Center to Center Distance0.146 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
Surface TreatmentANODIZE OVERALL
Temp Rating-65.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4820-00-070-6918380-1 PL0671 INTERCHANGEABLE
Valve,globe
Admiral Valve Llc Dba Cpv Manufacturing
5340-00-528-450540158 INTERCHANGEABLE
Spring
Trw Inc Trw Commercial Steering Div
5305-00-638-1649 INTERCHANGEABLE
Screw,externally Relieved Body
5950-01-135-12805347545 INTERCHANGEABLE
Transformer,power
Naval Sea Systems Command
4820-01-232-2487679812 INTERCHANGEABLE
Valve,safety Relief
Facet (oklahoma) Llc
3120-01-355-1503C-4571 INTERCHANGEABLE
Bearing,plain,rod End
Rbc Bearings Incorporated Div West Trenton Division
5999-01-371-555240173 INTERCHANGEABLE
Shielding Gasket,electronic
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
4140-01-435-2590 INTERCHANGEABLE
Fan,centrifugal
2990-01-671-3865648697 INTERCHANGEABLE
Actuator,electro-Mechanical,line
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division
4820-01-682-529540173-811 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
C457-1 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
BA3959 PRIMARY Stillman Seal Corporation Div Stillman Seal Corperation (USA)
648697 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA)
40173 Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA)
Related Parts
4820-00-070-6918INTERCHANGEABLE
VALVE,GLOBE
380-1 PL0671
5340-00-528-4505INTERCHANGEABLE
SPRING
40158
5305-00-638-1649INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
5950-01-135-1280INTERCHANGEABLE
TRANSFORMER,POWER
5347545
4820-01-232-2487INTERCHANGEABLE
VALVE,SAFETY RELIEF
679812
3120-01-355-1503INTERCHANGEABLE
BEARING,PLAIN,ROD END
C-4571
5999-01-371-5552INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
40173
4140-01-435-2590INTERCHANGEABLE
FAN,CENTRIFUGAL
2990-01-671-3865INTERCHANGEABLE
ACTUATOR,ELECTRO-MECHANICAL,LINE
648697
4820-01-682-5295INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40173-811

Frequently Asked Questions

What is NSN 5330-00-842-8275?

NSN 5330-00-842-8275 is a Gasket, manufactured by Stillman Seal Corporation Div Stillman Seal Corperation, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-842-8275?

NSN 5330-00-842-8275 has 4 cross-referenced part numbers: C457-1 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), BA3959 (Stillman Seal Corporation Div Stillman Seal Corperation), 648697 (Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division), 40173 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp).

What NSN replaces 5330-00-842-8275?

There are 10 known substitutes for 5330-00-842-8275: 4820-00-070-6918, 5340-00-528-4505, 5305-00-638-1649 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BA3959?

Key specifications for BA3959: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material: ALUMINUM ALLOY 6061 OVERALL; Cross-Sectional Thickness: 0.125 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN; Gage Thickness: 0.077 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN. 9 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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