PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7800-6DAdapter,engine Pressure Transmit

Peerless of America Inc · NSN 6620-00-145-6777 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-00-145-6777 — this item is cataloged by the U.S. Government under National Stock Number 6620-00-145-6777. Primary manufacturer part number: 7800-6D.
Features
  • Adapter,engine Pressure Transmit — FSC 6620
  • General Characteristics Item Description: CRES,4.000 IN. LG,0.078 IN. W IN
  • FSC Application Data: ENGINE PRESSURE RATIO TRANSMITTER
  • 5 verified cross-references
  • Primary manufacturer: Peerless of America Inc
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Adapter,engine Pressure Transmit, cataloged under National Stock Number 6620-00-145-6777, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Peerless of America Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Cancelled.

Technical Specifications
ParameterValue
NSN6620-00-145-6777
Primary Part Number7800-6D
Item NameAdapter,engine Pressure Transmit
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerPeerless of America Inc
StatusCANCELLED
General Characteristics Item DescriptionCRES,4.000 IN. LG,0.078 IN. W IN
FSC Application DataENGINE PRESSURE RATIO TRANSMITTER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5120-00-104-18602301317 INTERCHANGEABLE
Key,socket Head Screw
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5998-01-083-1572 INTERCHANGEABLE
Circuit Card Assembly
3010-01-139-9691 INTERCHANGEABLE
Coupling,shaft,rigid
5940-01-279-3814 INTERCHANGEABLE
Terminal Board
6515-01-393-6518 INTERCHANGEABLE
Splint,thumb
5330-01-711-186378006 INTERCHANGEABLE
Seal Ring,metal
Williams International Co., L.l.c.
Cross-Reference Index
Part NumberManufacturer
ZZ153 Breeze-Eastern Llc (USA)
7800-6D PRIMARY Peerless of America Inc (USA)
7800-6 Peerless of America Inc (USA)
4070S Breeze-Eastern Llc (USA)
7800-6 Breeze-Eastern Llc (USA)
Related Parts
5120-00-104-1860INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
2301317
5998-01-083-1572INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3010-01-139-9691INTERCHANGEABLE
COUPLING,SHAFT,RIGID
5940-01-279-3814INTERCHANGEABLE
TERMINAL BOARD
6515-01-393-6518INTERCHANGEABLE
SPLINT,THUMB
5330-01-711-1863INTERCHANGEABLE
SEAL RING,METAL
78006

Frequently Asked Questions

What is NSN 6620-00-145-6777?

NSN 6620-00-145-6777 is a Adapter,engine Pressure Transmit, manufactured by Peerless of America Inc, classified under FSC 6620 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6620-00-145-6777?

NSN 6620-00-145-6777 has 5 cross-referenced part numbers: ZZ153 (Breeze-Eastern Llc), 7800-6D (Peerless of America Inc), 7800-6 (Peerless of America Inc), 4070S (Breeze-Eastern Llc), 7800-6 (Breeze-Eastern Llc).

What NSN replaces 6620-00-145-6777?

There are 6 known substitutes for 6620-00-145-6777: 5120-00-104-1860, 5998-01-083-1572, 3010-01-139-9691 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7800-6D?

Key specifications for 7800-6D: General Characteristics Item Description: CRES,4.000 IN. LG,0.078 IN. W IN; FSC Application Data: ENGINE PRESSURE RATIO TRANSMITTER. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6620-00-145-6777 still in active supply?

NSN 6620-00-145-6777 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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