PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19719ASSYCup,seal

Napco International Llc Dba Napco International Inc · NSN 2930-00-064-7881 · FSC 2930 · No Item Name Available
Verified by PartsTable
NSN 2930-00-064-7881 — this item is cataloged by the U.S. Government under National Stock Number 2930-00-064-7881. Primary manufacturer part number: 19719ASSY.
Features
  • Cup,seal — FSC 2930
  • 3 verified cross-references
  • Primary manufacturer: Napco International Llc Dba Napco International Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Cup,seal, cataloged under National Stock Number 2930-00-064-7881, is classified within Federal Supply Class 2930 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCup,seal
FSC / FSG2930 — No Item Name Available (FSG 29)
ManufacturersNapco International Llc Dba Napco International Inc (CAGE 95201); John Crane, Inc (CAGE 71724)
Technical Specifications
ParameterValue
NSN2930-00-064-7881
Primary Part Number19719ASSY
Item NameCup,seal
FSC / FSG2930 / 29 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6250-00-683-0603ALF141-33 INTERCHANGEABLE
Lampholder
General Electric Co Accessary Equipment Opn
3120-00-939-3679 INTERCHANGEABLE
Bearing,sleeve
Cross-Reference Index
Part NumberManufacturer
19719 Napco International Llc Dba Napco International Inc (USA)
19719ASSY PRIMARY Napco International Llc Dba Napco International Inc (USA)
D0750-470 John Crane, Inc (USA)
Related Parts
6250-00-683-0603INTERCHANGEABLE
LAMPHOLDER
ALF141-33
3120-00-939-3679INTERCHANGEABLE
BEARING,SLEEVE

Frequently Asked Questions

What is NSN 2930-00-064-7881?

NSN 2930-00-064-7881 is a Cup,seal, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 2930 (No Item Name Available). Status: active.

What are the part numbers for NSN 2930-00-064-7881?

NSN 2930-00-064-7881 has 3 cross-referenced part numbers: 19719 (Napco International Llc Dba Napco International Inc), 19719ASSY (Napco International Llc Dba Napco International Inc), D0750-470 (John Crane, Inc).

What NSN replaces 2930-00-064-7881?

There are 2 known substitutes for 2930-00-064-7881: 6250-00-683-0603, 3120-00-939-3679. Verify interchangeability with system specifications before substitution.

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