PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Q21AGasket Set

Wisconsin Motors, Llc · NSN 5330-00-720-4773 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-720-4773 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-720-4773. Primary manufacturer part number: Q21A.
Features
  • Gasket Set — FSC 5330
  • Nonsupply Items and Quantities: 66289 QB75 GASKET 3 AND 66289 QC58A GASKET 1 AND 66289 QD487A GASKET 2 AND 66289 QD487B GASKET 1 AND 66289 QD638A GASKET 1 AND 66289 QD660 GASKET 1 AND 66289 QD661A GASKET 1 AND 66289 QD663A GASKET 1 AND 66289 QD670 GASKET 1 AND 66289 QD715 GASKET 1 AND 66289 QD727 GASKET 1 AND 66289 QD728 GASKET 1
  • Supply Items and Quantities: 2805-360-8332 GASKET 1 AND 2805-366-6218 GASKET 1 AND 2805-627-1922 GASKET 2 AND 2805-776-8077 GASKET 1 AND 2920-360-8381 GASKET 1 AND 2940-774-4747 GASKET 1
  • Component Quantity: 22
  • 5 verified cross-references
  • Primary manufacturer: Wisconsin Motors, Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Gasket Set, cataloged under National Stock Number 5330-00-720-4773, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-720-4773
Primary Part NumberQ21A
Item NameGasket Set
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerWisconsin Motors, Llc
StatusACTIVE
Nonsupply Items and Quantities66289 QB75 GASKET 3 AND 66289 QC58A GASKET 1 AND 66289 QD487A GASKET 2 AND 66289 QD487B GASKET 1 AND 66289 QD638A GASKET 1 AND 66289 QD660 GASKET 1 AND 66289 QD661A GASKET 1 AND 66289 QD663A GASKET 1 AND 66289 QD670 GASKET 1 AND 66289 QD715 GASKET 1 AND 66289 QD727 GASKET 1 AND 66289 QD728 GASKET 1
Supply Items and Quantities2805-360-8332 GASKET 1 AND 2805-366-6218 GASKET 1 AND 2805-627-1922 GASKET 2 AND 2805-776-8077 GASKET 1 AND 2920-360-8381 GASKET 1 AND 2940-774-4747 GASKET 1
Component Quantity22
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3020-00-306-306490053 INTERCHANGEABLE
Sprocket Wheel
Northrop Grumman Systems Corporation
6685-00-948-6070361L72 INTERCHANGEABLE
Thermometer,indicating,capillary
Stewart-Warner Corporation
5133-01-017-830788 1-1/4 INTERCHANGEABLE
Bit,spade,wood Boring
Stanley Tools Div of Stanley Works
5340-01-201-078190-053 INTERCHANGEABLE
Anchor,kit
Ideal Industries, Inc.
5330-01-288-1104 INTERCHANGEABLE
Gasket
5998-01-317-695190053 INTERCHANGEABLE
Circuit Card Assembly
Atlantic Research Corp
5365-01-370-8321900-53 INTERCHANGEABLE
Spacer,sleeve
Nav-Aids Ltd
5325-01-412-6316638090053 INTERCHANGEABLE
Ring,retaining
Wilshire Corp
6645-01-479-5362 INTERCHANGEABLE
Plug in Unit,genera
Cross-Reference Index
Part NumberManufacturer
41100A Aeroil Products Co Inc (USA)
1DQ21A Fwd Seagrave Holdings Lp (USA)
88114 Moto-Search Mfg Co Inc (USA)
90053 Lowndes Engineering Co Inc (USA)
Q21A PRIMARY Wisconsin Motors, Llc (USA)
Related Parts
3020-00-306-3064INTERCHANGEABLE
SPROCKET WHEEL
90053
6685-00-948-6070INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
361L72
5133-01-017-8307INTERCHANGEABLE
BIT,SPADE,WOOD BORING
88 1-1/4
5340-01-201-0781INTERCHANGEABLE
ANCHOR,KIT
90-053
5330-01-288-1104INTERCHANGEABLE
GASKET
5998-01-317-6951INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
90053
5365-01-370-8321INTERCHANGEABLE
SPACER,SLEEVE
900-53
5325-01-412-6316INTERCHANGEABLE
RING,RETAINING
638090053
6645-01-479-5362INTERCHANGEABLE
PLUG IN UNIT,GENERA

Frequently Asked Questions

What is NSN 5330-00-720-4773?

NSN 5330-00-720-4773 is a Gasket Set, manufactured by Wisconsin Motors, Llc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-720-4773?

NSN 5330-00-720-4773 has 5 cross-referenced part numbers: 41100A (Aeroil Products Co Inc), 1DQ21A (Fwd Seagrave Holdings Lp), 88114 (Moto-Search Mfg Co Inc), 90053 (Lowndes Engineering Co Inc), Q21A (Wisconsin Motors, Llc).

What NSN replaces 5330-00-720-4773?

There are 9 known substitutes for 5330-00-720-4773: 3020-00-306-3064, 6685-00-948-6070, 5133-01-017-8307 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of Q21A?

Key specifications for Q21A: Nonsupply Items and Quantities: 66289 QB75 GASKET 3 AND 66289 QC58A GASKET 1 AND 66289 QD487A GASKET 2 AND 66289 QD487B GASKET 1 AND 66289 QD638A GASKET 1 AND 66289 QD660 GASKET 1 AND 66289 QD661A GASKET 1 AND 66289 QD663A GASKET 1 AND 66289 QD670 GASKET 1 AND 66289 QD715 GASKET 1 AND 66289 QD727 GASKET 1 AND 66289 QD728 GASKET 1; Supply Items and Quantities: 2805-360-8332 GASKET 1 AND 2805-366-6218 GASKET 1 AND 2805-627-1922 GASKET 2 AND 2805-776-8077 GASKET 1 AND 2920-360-8381 GASKET 1 AND 2940-774-4747 GASKET 1; Component Quantity: 22. 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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