PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22112Regulator-Complete

Waltham Clock Co Inc · NSN 6645-00-449-2634 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-449-2634 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-449-2634. Primary manufacturer part number: 22112.
Features
  • Regulator-Complete — FSC 6645
  • 1 verified cross-reference
  • Primary manufacturer: Waltham Clock Co Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Regulator-Complete, cataloged under National Stock Number 6645-00-449-2634, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Waltham Clock Co Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRegulator-Complete
FSC / FSG6645 — No Item Name Available (FSG 66)
ManufacturersWaltham Clock Co Inc (CAGE 79300)
Technical Specifications
ParameterValue
NSN6645-00-449-2634
Primary Part Number22112
Item NameRegulator-Complete
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWaltham Clock Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4730-00-221-2137AS4863SIZE02 MOD INTERCHANGEABLE
Plug,pipe
Sae International Dba Sae International
4720-00-288-9870225-12 INTERCHANGEABLE
Hose,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
5340-00-326-460822-112 INTERCHANGEABLE
Button,plug
Dri Relays Inc. Dba Dri Relays Inc
4730-00-359-5696 INTERCHANGEABLE
Clamp,hose
4320-00-379-24492-2-112ITEM8 INTERCHANGEABLE
Pump,pressurizing,gasoline
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
4820-00-499-968922112 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Fairchild Industrial Products Company
5935-00-801-869610-130958-02S INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corp Div Amphenol Aerospace Operations
5945-01-127-8680ST5M1458-002 INTERCHANGEABLE
Retainer,electrical Relay
The Boeing Company Div Defense
3510-01-151-337922112 INTERCHANGEABLE
Padding Flannel,laundry Press,co
Forenta Lp
7510-01-207-396122112 INTERCHANGEABLE
Ink,stamp Pad
Shachihata Inc Usa Dba Shachihata
Cross-Reference Index
Part NumberManufacturer
22112 Waltham Clock Co Inc (USA)
Related Parts
4730-00-221-2137INTERCHANGEABLE
PLUG,PIPE
AS4863SIZE02 MOD
4720-00-288-9870INTERCHANGEABLE
HOSE,NONMETALLIC
225-12
5340-00-326-4608INTERCHANGEABLE
BUTTON,PLUG
22-112
4730-00-359-5696INTERCHANGEABLE
CLAMP,HOSE
4320-00-379-2449INTERCHANGEABLE
PUMP,PRESSURIZING,GASOLINE
2-2-112ITEM8
4820-00-499-9689INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
22112
5935-00-801-8696INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
10-130958-02S
5945-01-127-8680INTERCHANGEABLE
RETAINER,ELECTRICAL RELAY
ST5M1458-002
3510-01-151-3379INTERCHANGEABLE
PADDING FLANNEL,LAUNDRY PRESS,CO
22112
7510-01-207-3961INTERCHANGEABLE
INK,STAMP PAD
22112
5950-01-260-3525INTERCHANGEABLE
TRANSFORMER,POWER
VT02LKD

Frequently Asked Questions

What is NSN 6645-00-449-2634?

NSN 6645-00-449-2634 is a Regulator-Complete, manufactured by Waltham Clock Co Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-449-2634?

NSN 6645-00-449-2634 has 1 cross-referenced part number: 22112 (Waltham Clock Co Inc).

What NSN replaces 6645-00-449-2634?

There are 11 known substitutes for 6645-00-449-2634: 4730-00-221-2137, 4720-00-288-9870, 5340-00-326-4608 and 8 more. Verify interchangeability with system specifications before substitution.

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