PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12111-1Regulator

Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives · NSN 6680-00-987-1964 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-987-1964 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-987-1964. Primary manufacturer part number: 12111-1.
Features
  • Regulator — FSC 6680
  • 2 verified cross-references
  • Primary manufacturer: Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Regulator, cataloged under National Stock Number 6680-00-987-1964, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-00-987-1964
Primary Part Number12111-1
Item NameRegulator
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerSiemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4720-00-097-1329REDAR-A80910-6 INTERCHANGEABLE
Hose,air Duct
R.e. Darling Co., Inc.
5841-00-348-0358121111 INTERCHANGEABLE
Radar Set Subassembly
Kearfott Corporation Div Guidance and Navigation Division
5910-00-942-447712111-1 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Republic Electronics Corp S Inc
5961-01-073-152814523 INTERCHANGEABLE
Semiconductor Device,diode
Giga-Tronics Incorporated Dba Giga-Tronics
5970-01-463-9138121111 INTERCHANGEABLE
Insulator,pin Cap
Itw Food Equipment Group Llc Dba Hobart Service
2050-01-620-1190121111 INTERCHANGEABLE
Buoy,navigational Marker,can
United States Coast Guard Hq Ocean Engineering Br G-Ecv-3
Cross-Reference Index
Part NumberManufacturer
K97A0003 Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co (USA)
12111-1 PRIMARY Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA)
Related Parts
4720-00-097-1329INTERCHANGEABLE
HOSE,AIR DUCT
REDAR-A80910-6
5841-00-348-0358INTERCHANGEABLE
RADAR SET SUBASSEMBLY
121111
5910-00-942-4477INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
12111-1
5961-01-073-1528INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
14523
5970-01-463-9138INTERCHANGEABLE
INSULATOR,PIN CAP
121111
2050-01-620-1190INTERCHANGEABLE
BUOY,NAVIGATIONAL MARKER,CAN
121111

Frequently Asked Questions

What is NSN 6680-00-987-1964?

NSN 6680-00-987-1964 is a Regulator, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-987-1964?

NSN 6680-00-987-1964 has 2 cross-referenced part numbers: K97A0003 (Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co), 12111-1 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).

What NSN replaces 6680-00-987-1964?

There are 6 known substitutes for 6680-00-987-1964: 4720-00-097-1329, 5841-00-348-0358, 5910-00-942-4477 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12111-1?

Key specifications for 12111-1: End Item Identification: F4C ACFT. 1 total characteristics are documented in the Federal Logistics Information System.

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