PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6663Gage,pressure

Fyr-Fyter Co Inc · NSN 6620-00-937-5346 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-00-937-5346 — this item is cataloged by the U.S. Government under National Stock Number 6620-00-937-5346. Primary manufacturer part number: 6663.
Features
  • Gage,pressure — FSC 6620
  • 1 verified cross-reference
  • Primary manufacturer: Fyr-Fyter Co Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gage,pressure, cataloged under National Stock Number 6620-00-937-5346, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Fyr-Fyter Co Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGage,pressure
FSC / FSG6620 — No Item Name Available (FSG 66)
ManufacturersFyr-Fyter Co Inc (CAGE 01317)
Technical Specifications
ParameterValue
NSN6620-00-937-5346
Primary Part Number6663
Item NameGage,pressure
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerFyr-Fyter Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5210-00-277-1621599-9642-30 INTERCHANGEABLE
Gage Stock,thickness
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
6125-00-407-1140 INTERCHANGEABLE
Motor-Generator
4720-00-857-1735124-3 INTERCHANGEABLE
Hose,nonmetallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
5960-00-878-2506 INTERCHANGEABLE
Electron Tube
4010-01-151-9630 INTERCHANGEABLE
Cable
4820-01-177-39586663 INTERCHANGEABLE
Ring,locking
Greno Industries, Inc. Dba Greno Industries Inc
5365-01-288-1554 INTERCHANGEABLE
Spacer,sleeve
4020-01-352-27303316663 INTERCHANGEABLE
Rope,fibrous
Plymkraft, Inc. Dba Plymkraft Inc Div Columbian Specialty Products Div
4930-01-465-508277930 INTERCHANGEABLE
Dispensing Pump,hand Driven
Ritchie Engineering Co Inc
Cross-Reference Index
Part NumberManufacturer
6663 Fyr-Fyter Co Inc (USA)
Related Parts
5210-00-277-1621INTERCHANGEABLE
GAGE STOCK,THICKNESS
599-9642-30
6125-00-407-1140INTERCHANGEABLE
MOTOR-GENERATOR
4720-00-857-1735INTERCHANGEABLE
HOSE,NONMETALLIC
124-3
5960-00-878-2506INTERCHANGEABLE
ELECTRON TUBE
4010-01-151-9630INTERCHANGEABLE
CABLE
4820-01-177-3958INTERCHANGEABLE
RING,LOCKING
6663
5365-01-288-1554INTERCHANGEABLE
SPACER,SLEEVE
4020-01-352-2730INTERCHANGEABLE
ROPE,FIBROUS
3316663
4930-01-465-5082INTERCHANGEABLE
DISPENSING PUMP,HAND DRIVEN
77930

Frequently Asked Questions

What is NSN 6620-00-937-5346?

NSN 6620-00-937-5346 is a Gage,pressure, manufactured by Fyr-Fyter Co Inc, classified under FSC 6620 (No Item Name Available). Status: active.

What are the part numbers for NSN 6620-00-937-5346?

NSN 6620-00-937-5346 has 1 cross-referenced part number: 6663 (Fyr-Fyter Co Inc).

What NSN replaces 6620-00-937-5346?

There are 9 known substitutes for 6620-00-937-5346: 5210-00-277-1621, 6125-00-407-1140, 4720-00-857-1735 and 6 more. Verify interchangeability with system specifications before substitution.

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