PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RA1909Gasket

Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec · NSN 5330-00-166-5700 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-166-5700 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-166-5700. Primary manufacturer part number: RA1909.
Features
  • Gasket — FSC 5330
  • Style Designator: CIRCULAR
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN
  • Material: PAPER OVERALL
  • Bolt Circle Diameter: 3.375 INCHES NOMINAL IN
  • Outside Diameter: 3.750 INCHES NOMINAL IN
  • Hole Diameter: 0.180 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Paper Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-166-5700, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-166-5700
Primary Part NumberRA1909
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
StatusCANCELLED
Style DesignatorCIRCULAR
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Cross-Sectional Thickness0.031 INCHES NOMINAL IN
MaterialPAPER OVERALL
Bolt Circle Diameter3.375 INCHES NOMINAL IN
Outside Diameter3.750 INCHES NOMINAL IN
Hole Diameter0.180 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Aperture Diameter2.625 INCHES NOMINAL IN
Bolt Hole Quantity8
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-098-9139 INTERCHANGEABLE
Transformer,power
3110-00-156-7938 INTERCHANGEABLE
Bearing,ball,annular
1680-00-476-2356 INTERCHANGEABLE
Lever,remote Control
5905-00-487-95790216 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
2090-00-809-406356-12 INTERCHANGEABLE
Blade,windshield Wiper
Cornell-Carr Co., Inc.
5310-00-846-3363WA15810 INTERCHANGEABLE
Washer,flat
Lct Electronics
6120-01-016-1487 INTERCHANGEABLE
Power Supply
5961-01-023-2853NTE5612 INTERCHANGEABLE
Semiconductor Device,thyristor
Nte Electronics, Inc
5950-01-074-3076630-002 INTERCHANGEABLE
Transformer,power
Autek Systems Corp
5310-01-113-9008630002 INTERCHANGEABLE
Washer
Astronics Test Systems Inc
Cross-Reference Index
Part NumberManufacturer
32A2412 Department of the Air Force (USA)
0216 Triumph Thermal Systems, Llc (USA)
56458-48 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
U216 Triumph Thermal Systems, Llc (USA)
RA1909 PRIMARY Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA)
63-0002 Grimes Aerospace Company (USA)
5612 Grimes Aerospace Company (USA)
Related Parts
5950-00-098-9139INTERCHANGEABLE
TRANSFORMER,POWER
3110-00-156-7938INTERCHANGEABLE
BEARING,BALL,ANNULAR
1680-00-476-2356INTERCHANGEABLE
LEVER,REMOTE CONTROL
5905-00-487-9579INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
0216
2090-00-809-4063INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
56-12
5310-00-846-3363INTERCHANGEABLE
WASHER,FLAT
WA15810
6120-01-016-1487INTERCHANGEABLE
POWER SUPPLY
5961-01-023-2853INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
NTE5612
5950-01-074-3076INTERCHANGEABLE
TRANSFORMER,POWER
630-002
5310-01-113-9008INTERCHANGEABLE
WASHER
630002
6145-01-137-9740INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5612
5330-01-180-2769INTERCHANGEABLE
GASKET
5612

Frequently Asked Questions

What is NSN 5330-00-166-5700?

NSN 5330-00-166-5700 is a Gasket, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-166-5700?

NSN 5330-00-166-5700 has 7 cross-referenced part numbers: 32A2412 (Department of the Air Force), 0216 (Triumph Thermal Systems, Llc), 56458-48 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), U216 (Triumph Thermal Systems, Llc), RA1909 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec) and 2 more.

What NSN replaces 5330-00-166-5700?

There are 12 known substitutes for 5330-00-166-5700: 5950-00-098-9139, 3110-00-156-7938, 1680-00-476-2356 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RA1909?

Key specifications for RA1909: Style Designator: CIRCULAR; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN; Material: PAPER OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-166-5700 still in active supply?

NSN 5330-00-166-5700 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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