PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21950Gasket

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5330-00-943-7961 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-943-7961 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-943-7961. Primary manufacturer part number: 21950.
Features
  • Gasket — FSC 5330
  • Hardness Rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
  • Material: RUBBER SYNTHETIC OVERALL
  • Material Document and Classification: MIL-R-6855 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • 2 verified cross-references
  • Primary manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-943-7961, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5330-00-943-7961
Primary Part Number21950
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
Hardness Rating55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
MaterialRUBBER SYNTHETIC OVERALL
Material Document and ClassificationMIL-R-6855 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-866-5454 INTERCHANGEABLE
Semiconductor Device,diode
6145-00-901-3869 INTERCHANGEABLE
Cable,radio Frequency
5950-01-033-1486 INTERCHANGEABLE
Transformer,audio Frequency
Cross-Reference Index
Part NumberManufacturer
21950 United Technologies Corp Hamilton Sundstrand Corp (USA)
21950 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
5961-00-866-5454INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
6145-00-901-3869INTERCHANGEABLE
CABLE,RADIO FREQUENCY
5950-01-033-1486INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY

Frequently Asked Questions

What is NSN 5330-00-943-7961?

NSN 5330-00-943-7961 is a Gasket, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-943-7961?

NSN 5330-00-943-7961 has 2 cross-referenced part numbers: 21950 (United Technologies Corp Hamilton Sundstrand Corp), 21950 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 5330-00-943-7961?

There are 3 known substitutes for 5330-00-943-7961: 5961-00-866-5454, 6145-00-901-3869, 5950-01-033-1486. Verify interchangeability with system specifications before substitution.

What are the specifications of 21950?

Key specifications for 21950: Hardness Rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL; Material: RUBBER SYNTHETIC OVERALL; Material Document and Classification: MIL-R-6855 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 4 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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