PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4089-1Holder,stem Seal

Wakmann Watch Company Inc · NSN 6645-00-225-2690 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-225-2690 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-225-2690. Primary manufacturer part number: 4089-1.
Features
  • Holder,stem Seal — FSC 6645
  • 1 verified cross-reference
  • Primary manufacturer: Wakmann Watch Company Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Holder,stem Seal, cataloged under National Stock Number 6645-00-225-2690, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Wakmann Watch Company Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHolder,stem Seal
FSC / FSG6645 — No Item Name Available (FSG 66)
ManufacturersWakmann Watch Company Inc (CAGE 98429)
Technical Specifications
ParameterValue
NSN6645-00-225-2690
Primary Part Number4089-1
Item NameHolder,stem Seal
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWakmann Watch Company Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3020-00-450-163540891 INTERCHANGEABLE
Gear,spur
Liquid Controls, L.l.c. Div Idex Corporation
5930-00-581-783540891 INTERCHANGEABLE
Switch Subassembly
Setra Systems, Inc. Dba Gems Sensors
5998-00-739-835740891 INTERCHANGEABLE
Circuit Card Assembly
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5999-00-967-3766G140-063 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Kearfott Corporation Div Guidance and Navigation Division
5961-01-072-2300 INTERCHANGEABLE
Semiconductor Device,diode
5340-01-260-6258A4727-4TG INTERCHANGEABLE
Caster,rigid
Albion Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
4089-1 PRIMARY Wakmann Watch Company Inc (USA)
Related Parts
3020-00-450-1635INTERCHANGEABLE
GEAR,SPUR
40891
5930-00-581-7835INTERCHANGEABLE
SWITCH SUBASSEMBLY
40891
5998-00-739-8357INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
40891
5999-00-967-3766INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
G140-063
5961-01-072-2300INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5340-01-260-6258INTERCHANGEABLE
CASTER,RIGID
A4727-4TG

Frequently Asked Questions

What is NSN 6645-00-225-2690?

NSN 6645-00-225-2690 is a Holder,stem Seal, manufactured by Wakmann Watch Company Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-225-2690?

NSN 6645-00-225-2690 has 1 cross-referenced part number: 4089-1 (Wakmann Watch Company Inc).

What NSN replaces 6645-00-225-2690?

There are 6 known substitutes for 6645-00-225-2690: 3020-00-450-1635, 5930-00-581-7835, 5998-00-739-8357 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com