NSN 5330-00-472-2787 · NIIN 004722787 · Part number 661590
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 77445
Government record, cited
NSN 5330-00-472-2787 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-472-2787. Manufacturer of record part number: 661590.
Also searched as5330-00-472-2787 ·
5330004722787 ·
NIIN 004722787 ·
00-472-2787 ·
FSC 5330 Packing and Gasket Materials · CAGE 77445 · 661590
Cross-Sectional Thickness: 0.092 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
Style Designator: CIRCULAR
Material Document and Classification: AMS 5542 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: SINGLE FOLDED METAL
Outside Diameter: 2.049 INCHES MINIMUM AND 2.052 INCHES MAXIMUM IN
Aperture Diameter: 1.898 INCHES MINIMUM IN
Material: NICKEL ALLOY X-750 OVERALL
Identification
NSN: 5330-00-472-2787
NIIN: 004722787
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: 661590
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Gasket, cataloged under National Stock Number 5330-00-472-2787, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5330-00-472-2787
Primary Part Number
661590
Item Name
Gasket
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Status
ACTIVE
Cross-Sectional Thickness
0.092 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
Style Designator
CIRCULAR
Material Document and Classification
AMS 5542 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style
SINGLE FOLDED METAL
Outside Diameter
2.049 INCHES MINIMUM AND 2.052 INCHES MAXIMUM IN
Aperture Diameter
1.898 INCHES MINIMUM IN
Material
NICKEL ALLOY X-750 OVERALL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Turbo Power & Marine System Inc Sub of United Technologies Corp
No interchangeability data on file.
Other items in FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085
RETAINER
5330-00-000-0167
PARTS KIT,SEAL REPLACEMENT,MECHA
5330-00-000-5275
5330-00-000-5275 · Item name not on file
5330-00-001-1260
SEAL,NONMETALLIC SPECIAL SHAPED
5330-00-001-1833
SEAL,PLAIN ENCASED
5330-00-001-1844
GLAND,RESERVOIR,INDICATOR END
5330-00-001-1845
5330-00-001-1845 · Item name not on file
5330-00-001-1846
5330-00-001-1846 · Item name not on file
Frequently Asked Questions
What is NSN 5330-00-472-2787?
NSN 5330-00-472-2787 is a Gasket, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-00-472-2787?
NSN 5330-00-472-2787 has 2 manufacturer part numbers on file: 661590 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 661590 (Eaton Corporation Div Fed).
What are the specifications of 661590?
Key specifications for 661590: Cross-Sectional Thickness: 0.092 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Material Document and Classification: AMS 5542 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SINGLE FOLDED METAL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5330-00-472-2787 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.