PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

701521Seal Ring Assy

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-00-169-2662 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-169-2662 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-169-2662. Primary manufacturer part number: 701521.
Features
  • Seal Ring Assy — FSC 2840
  • 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 Seal Ring Assy, cataloged under National Stock Number 2840-00-169-2662, is classified within Federal Supply Class 2840 (No Item Name Available) of the Engines, Turbines, and Components 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: Active.

Catalog Facts
Item NameSeal Ring Assy
FSC / FSG2840 — No Item Name Available (FSG 28)
ManufacturersRtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445)
Technical Specifications
ParameterValue
NSN2840-00-169-2662
Primary Part Number701521
Item NameSeal Ring Assy
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-950-9679CA59600800 INTERCHANGEABLE
Adapter,connector
Lockheed Martin Corporation Div Rms - Mitchel Field
5330-01-232-2377701521 INTERCHANGEABLE
Gasket
Dresser, Llc
6630-01-625-2274 INTERCHANGEABLE
Accumulator Epdm
4730-01-631-477970152-1 INTERCHANGEABLE
Manifold Assembly,hydraulic
Hydraulics International, Inc. Dba Hydraulics International Inc
Cross-Reference Index
Part NumberManufacturer
701521 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5935-00-950-9679INTERCHANGEABLE
ADAPTER,CONNECTOR
CA59600800
5330-01-232-2377INTERCHANGEABLE
GASKET
701521
6630-01-625-2274INTERCHANGEABLE
ACCUMULATOR EPDM
4730-01-631-4779INTERCHANGEABLE
MANIFOLD ASSEMBLY,HYDRAULIC
70152-1

Frequently Asked Questions

What is NSN 2840-00-169-2662?

NSN 2840-00-169-2662 is a Seal Ring Assy, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840 (No Item Name Available). Status: active.

What are the part numbers for NSN 2840-00-169-2662?

NSN 2840-00-169-2662 has 1 cross-referenced part number: 701521 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-00-169-2662?

There are 4 known substitutes for 2840-00-169-2662: 5935-00-950-9679, 5330-01-232-2377, 6630-01-625-2274 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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