PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6556Seal,plain

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-01-034-7268 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-034-7268 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-034-7268. Primary manufacturer part number: 6556.
Features
  • Seal,plain — FSC 5330
  • Cross-Sectional Shape Style: SINGLE LIP
  • Seal Width: 1.379 INCHES NOMINAL IN
  • Construction: SOLID
  • Housing Bore Diameter: 1.375 INCHES NOMINAL IN
  • Outside Diameter: 1.379 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 0.656 INCHES NOMINAL IN
  • Surface Treatment: PLASTIC CASE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Spring construction
General Description

The Seal,plain, cataloged under National Stock Number 5330-01-034-7268, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Skf Usa Inc. Dba Skf Aerospace Sealing Solutions. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-01-034-7268
Primary Part Number6556
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusCANCELLED
Cross-Sectional Shape StyleSINGLE LIP
Seal Width1.379 INCHES NOMINAL IN
ConstructionSOLID
Housing Bore Diameter1.375 INCHES NOMINAL IN
Outside Diameter1.379 INCHES NOMINAL IN
Accommodated Shaft Diameter0.656 INCHES NOMINAL IN
Surface TreatmentPLASTIC CASE
MaterialSTEEL SPRING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
4930-00-223-3387 INTERCHANGEABLE
Lubricating Gun,handheld
5905-00-270-1186104540-1 INTERCHANGEABLE
Resistance Element
Marathonnorco Aerospace, Inc. Dba Christie Electric
5306-00-489-4370 INTERCHANGEABLE
Bolt,machine
5950-00-583-090810-20076-7 INTERCHANGEABLE
Transformer,power Autotransforme
The Boeing Company Div Legacy Wichita
3120-00-765-66866556 INTERCHANGEABLE
Bearing,washer,thrust
Sachs-Boge of America
1450-00-797-5410FDC3270-3 INTERCHANGEABLE
Tie Down,guided Mis
Davis Aircraft Products Co., Inc.
5305-00-850-70366556 INTERCHANGEABLE
Thumbscrew
Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier
1005-01-251-9180 INTERCHANGEABLE
Pin,trigger Housing
2940-01-425-95711117576 INTERCHANGEABLE
Filter Element,intake Air Cleane
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
5920-01-465-4611655-6 INTERCHANGEABLE
Fuse,cartridge
Cooper Wiring Devices Inc.
Cross-Reference Index
Part NumberManufacturer
7030152 Ed Etnyre & Co (USA)
6556 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
810-005-096 Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots (USA)
Related Parts
4930-00-223-3387INTERCHANGEABLE
LUBRICATING GUN,HANDHELD
5905-00-270-1186INTERCHANGEABLE
RESISTANCE ELEMENT
104540-1
5306-00-489-4370INTERCHANGEABLE
BOLT,MACHINE
5950-00-583-0908INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
10-20076-7
3120-00-765-6686INTERCHANGEABLE
BEARING,WASHER,THRUST
6556
1450-00-797-5410INTERCHANGEABLE
TIE DOWN,GUIDED MIS
FDC3270-3
5305-00-850-7036INTERCHANGEABLE
THUMBSCREW
6556
1005-01-251-9180INTERCHANGEABLE
PIN,TRIGGER HOUSING
2940-01-425-9571INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
1117576
5920-01-465-4611INTERCHANGEABLE
FUSE,CARTRIDGE
655-6
5340-01-497-8743INTERCHANGEABLE
CLIP,SPRING TENSION
135344-1

Frequently Asked Questions

What is NSN 5330-01-034-7268?

NSN 5330-01-034-7268 is a Seal,plain, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-01-034-7268?

NSN 5330-01-034-7268 has 3 cross-referenced part numbers: 7030152 (Ed Etnyre & Co), 6556 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 810-005-096 (Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots).

What NSN replaces 5330-01-034-7268?

There are 11 known substitutes for 5330-01-034-7268: 4930-00-223-3387, 5905-00-270-1186, 5306-00-489-4370 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6556?

Key specifications for 6556: Cross-Sectional Shape Style: SINGLE LIP; Seal Width: 1.379 INCHES NOMINAL IN; Construction: SOLID; Housing Bore Diameter: 1.375 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-01-034-7268 still in active supply?

NSN 5330-01-034-7268 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com