PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6257Gasket

Carlisle & Finch Co · NSN 5330-00-122-1285 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-122-1285 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-122-1285. Primary manufacturer part number: 6257.
Features
  • Gasket — FSC 5330
  • Aperture Diameter: 8.250 INCHES NOMINAL IN
  • Outside Diameter: 8.438 INCHES NOMINAL IN
  • Material: RUBBER SILICONE CLASS Q OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Carlisle & Finch Co
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Silicone Class Q Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-122-1285, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Carlisle & Finch Co. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5330-00-122-1285
Primary Part Number6257
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerCarlisle & Finch Co
StatusACTIVE
Aperture Diameter8.250 INCHES NOMINAL IN
Outside Diameter8.438 INCHES NOMINAL IN
MaterialRUBBER SILICONE CLASS Q OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5305-00-010-2456102456 INTERCHANGEABLE
Setscrew
Chrysler Realty Company Llc Dba Daimler Chrysler
4510-00-953-6103 INTERCHANGEABLE
Flush Connection,urinal-Water Cl
6625-01-425-97766257 INTERCHANGEABLE
Wattmeter
Bird Electronic Corporation Div Bird Electronic Corp
6510-01-560-5594BCD-816 INTERCHANGEABLE
Dressing,burn Contact
Argentum Medical, Llc Dba Bravida Medical
6350-01-609-57266550U INTERCHANGEABLE
Motion Detector
Honeywell Security Americas Llc
Cross-Reference Index
Part NumberManufacturer
6257 PRIMARY Carlisle & Finch Co (USA)
Related Parts
5305-00-010-2456INTERCHANGEABLE
SETSCREW
102456
4510-00-953-6103INTERCHANGEABLE
FLUSH CONNECTION,URINAL-WATER CL
6625-01-425-9776INTERCHANGEABLE
WATTMETER
6257
6510-01-560-5594INTERCHANGEABLE
DRESSING,BURN CONTACT
BCD-816
6350-01-609-5726INTERCHANGEABLE
MOTION DETECTOR
6550U

Frequently Asked Questions

What is NSN 5330-00-122-1285?

NSN 5330-00-122-1285 is a Gasket, manufactured by Carlisle & Finch Co, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-122-1285?

NSN 5330-00-122-1285 has 1 cross-referenced part number: 6257 (Carlisle & Finch Co).

What NSN replaces 5330-00-122-1285?

There are 5 known substitutes for 5330-00-122-1285: 5305-00-010-2456, 4510-00-953-6103, 6625-01-425-9776 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6257?

Key specifications for 6257: Aperture Diameter: 8.250 INCHES NOMINAL IN; Outside Diameter: 8.438 INCHES NOMINAL IN; Material: RUBBER SILICONE CLASS Q OVERALL. 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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