PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99974Gasket

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5330-00-509-4617 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-509-4617 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-509-4617. Primary manufacturer part number: 99974.
Features
  • Gasket — FSC 5330
  • 1 verified cross-reference
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Gasket, cataloged under National Stock Number 5330-00-509-4617, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-509-4617
Primary Part Number99974
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
2805-00-360-707899974 INTERCHANGEABLE
Housing,blower
Briggs and Stratton Corp
5940-00-502-7283MS21981-165 INTERCHANGEABLE
Ferrule,metallic Shielded Cable,
Sae International Dba Sae International
1660-01-344-335099974 INTERCHANGEABLE
Filter Element,air Conditioning
Hamilton Sundstrand Corporation Dba Collins Aerospace
4220-01-372-511399-974 INTERCHANGEABLE
Cylinder Assembly,air,diving Equ
Switlik Parachute Company, Inc. Dba Switlik Parachute Co Inc
Cross-Reference Index
Part NumberManufacturer
99974 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
2805-00-360-7078INTERCHANGEABLE
HOUSING,BLOWER
99974
5940-00-502-7283INTERCHANGEABLE
FERRULE,METALLIC SHIELDED CABLE,
MS21981-165
1660-01-344-3350INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
99974
4220-01-372-5113INTERCHANGEABLE
CYLINDER ASSEMBLY,AIR,DIVING EQU
99-974

Frequently Asked Questions

What is NSN 5330-00-509-4617?

NSN 5330-00-509-4617 is a Gasket, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-509-4617?

NSN 5330-00-509-4617 has 1 cross-referenced part number: 99974 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5330-00-509-4617?

There are 4 known substitutes for 5330-00-509-4617: 2805-00-360-7078, 5940-00-502-7283, 1660-01-344-3350 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 99974?

Key specifications for 99974: End Item Identification: TEMPERATURE AND PRESSURE CONTROLS,AIRCRAFT. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-509-4617 still in active supply?

NSN 5330-00-509-4617 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.
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