PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8639Transmitter,pressure

Lockheed Martin Corporation · NSN 6685-01-572-1501 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-572-1501 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-572-1501. Primary manufacturer part number: 8639.
Features
  • Transmitter,pressure — FSC 6685
  • 1 verified cross-reference
  • Primary manufacturer: Lockheed Martin Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transmitter,pressure, cataloged under National Stock Number 6685-01-572-1501, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lockheed Martin Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTransmitter,pressure
FSC / FSG6685 — No Item Name Available (FSG 66)
ManufacturersLockheed Martin Corporation (CAGE 0L1E5)
Technical Specifications
ParameterValue
NSN6685-01-572-1501
Primary Part Number8639
Item NameTransmitter,pressure
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerLockheed Martin Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6240-00-072-0352CM8639 INTERCHANGEABLE
Lamp,incandescent
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
4920-00-097-54948639 INTERCHANGEABLE
Sleeve Socket
Hydratight Operations Inc
9320-00-224-46818639 INTERCHANGEABLE
Rubber Sheet,solid
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5935-00-258-6045276-1213P1 INTERCHANGEABLE
Connector,plug,electrical
Raytheon Company Dba Raytheon Co
5999-00-570-23408639 INTERCHANGEABLE
Contact,electrical
Te Connectivity Corporation
1620-00-766-6107 INTERCHANGEABLE
Lever,landing Gear
5960-00-903-5425 INTERCHANGEABLE
Electron Tube
6150-01-658-56888639 INTERCHANGEABLE
Wiring Harness
Amera Trail Inc
Cross-Reference Index
Part NumberManufacturer
8639 PRIMARY Lockheed Martin Corporation (USA)
Related Parts
6240-00-072-0352INTERCHANGEABLE
LAMP,INCANDESCENT
CM8639
4920-00-097-5494INTERCHANGEABLE
SLEEVE SOCKET
8639
9320-00-224-4681INTERCHANGEABLE
RUBBER SHEET,SOLID
8639
5935-00-258-6045INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
276-1213P1
5999-00-570-2340INTERCHANGEABLE
CONTACT,ELECTRICAL
8639
1620-00-766-6107INTERCHANGEABLE
LEVER,LANDING GEAR
5960-00-903-5425INTERCHANGEABLE
ELECTRON TUBE
6150-01-658-5688INTERCHANGEABLE
WIRING HARNESS
8639

Frequently Asked Questions

What is NSN 6685-01-572-1501?

NSN 6685-01-572-1501 is a Transmitter,pressure, manufactured by Lockheed Martin Corporation, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-572-1501?

NSN 6685-01-572-1501 has 1 cross-referenced part number: 8639 (Lockheed Martin Corporation).

What NSN replaces 6685-01-572-1501?

There are 8 known substitutes for 6685-01-572-1501: 6240-00-072-0352, 4920-00-097-5494, 9320-00-224-4681 and 5 more. Verify interchangeability with system specifications before substitution.

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