PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21504Gage

Bird-Johnson Propeller Company, Llc · NSN 6620-01-698-9153 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-01-698-9153 — this item is cataloged by the U.S. Government under National Stock Number 6620-01-698-9153. Primary manufacturer part number: 21504.
Features
  • Gage — FSC 6620
  • 1 verified cross-reference
  • Primary manufacturer: Bird-Johnson Propeller Company, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gage, cataloged under National Stock Number 6620-01-698-9153, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bird-Johnson Propeller Company, Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6620-01-698-9153
Primary Part Number21504
Item NameGage
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerBird-Johnson Propeller Company, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-004-33622-1504 INTERCHANGEABLE
Seal
Scotsman Industries Inc Div Scotsman Ice Systems
5120-00-223-101821504 INTERCHANGEABLE
Punch,drive Pin
Mayhew Steel Products Inc
5360-00-863-3743 INTERCHANGEABLE
Spring,helical,torsion
6610-00-939-259821504 INTERCHANGEABLE
Pointer Assy
Aerosonic Llc
5930-00-961-124810105984 INTERCHANGEABLE
Switch,thermostatic
Us Army Aviation and Missile Command
6150-01-100-0932 INTERCHANGEABLE
Bus,conductor
6515-01-221-0303 INTERCHANGEABLE
Bulb,otoscope
1680-01-344-0242872-029-001 INTERCHANGEABLE
Display Assembly
Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division
5940-01-363-1746900681-001 INTERCHANGEABLE
Terminal Strip,grounding
U S Dept of Transportation Federal Aviation Administration
2920-01-381-4497AH140605 INTERCHANGEABLE
Switch,safety,neutral Start
Deere & Company Dba Deere John Co
Cross-Reference Index
Part NumberManufacturer
21504 PRIMARY Bird-Johnson Propeller Company, Llc (USA)
Related Parts
5330-00-004-3362INTERCHANGEABLE
SEAL
2-1504
5120-00-223-1018INTERCHANGEABLE
PUNCH,DRIVE PIN
21504
5360-00-863-3743INTERCHANGEABLE
SPRING,HELICAL,TORSION
6610-00-939-2598INTERCHANGEABLE
POINTER ASSY
21504
5930-00-961-1248INTERCHANGEABLE
SWITCH,THERMOSTATIC
10105984
6150-01-100-0932INTERCHANGEABLE
BUS,CONDUCTOR
6515-01-221-0303INTERCHANGEABLE
BULB,OTOSCOPE
1680-01-344-0242INTERCHANGEABLE
DISPLAY ASSEMBLY
872-029-001
5940-01-363-1746INTERCHANGEABLE
TERMINAL STRIP,GROUNDING
900681-001
2920-01-381-4497INTERCHANGEABLE
SWITCH,SAFETY,NEUTRAL START
AH140605

Frequently Asked Questions

What is NSN 6620-01-698-9153?

NSN 6620-01-698-9153 is a Gage, manufactured by Bird-Johnson Propeller Company, Llc, classified under FSC 6620 (No Item Name Available). Status: active.

What are the part numbers for NSN 6620-01-698-9153?

NSN 6620-01-698-9153 has 1 cross-referenced part number: 21504 (Bird-Johnson Propeller Company, Llc).

What NSN replaces 6620-01-698-9153?

There are 10 known substitutes for 6620-01-698-9153: 5330-00-004-3362, 5120-00-223-1018, 5360-00-863-3743 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21504?

Key specifications for 21504: Part Name Assigned by Controlling Agency: PRESSURE GAGE COOLING. 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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