PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30653-0Gage Rod-Cap,liquid Level

Rtx Corporation Div Pratt & Whitney · NSN 6680-00-939-8358 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-939-8358 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-939-8358. Primary manufacturer part number: 30653-0.
Features
  • Gage Rod-Cap,liquid Level — FSC 6680
  • Rod Length From End to Cap: 3.620 INCHES IN
  • Cap Type: THREADED
  • Handle: NOT FURNISHED
  • Material: ALUMINUM ALLOY
  • Thread Size: 1-5/8-12
  • Screw Thread Series Designator: UNIFIED NATIONAL JOINT (UNJ)
  • Rod Measuring Portion Thickness: 0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Gage Rod-Cap,liquid Level, cataloged under National Stock Number 6680-00-939-8358, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-00-939-8358
Primary Part Number30653-0
Item NameGage Rod-Cap,liquid Level
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerRtx Corporation Div Pratt & Whitney
StatusACTIVE
Rod Length From End to Cap3.620 INCHES IN
Cap TypeTHREADED
HandleNOT FURNISHED
MaterialALUMINUM ALLOY
Thread Size1-5/8-12
Screw Thread Series DesignatorUNIFIED NATIONAL JOINT (UNJ)
Rod Measuring Portion Thickness0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
Rod Measuring Portion Width0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
Scale InscriptionADD 1 QUART AND FULL
Distance From Rod End to Scale Graduation1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6615-00-032-0379306530 INTERCHANGEABLE
Tab
Lockheed Martin Corporation Div Rms - Mitchel Field
8115-00-079-86818681 INTERCHANGEABLE
Box,shipping
Loye Keesee Dba Keesee Box Company Div Government Resource Pkg Prod
3110-00-100-0315453A INTERCHANGEABLE
Cup,tapered Roller Bearing
Ntn Bearing Corporation of America
5905-00-931-9980 INTERCHANGEABLE
Resistor,variable,wire Wound,non
2940-01-360-6368B7585 INTERCHANGEABLE
Filter Element,fluid
Baldwin Filters
5331-01-392-989730653 INTERCHANGEABLE
O-Ring
North Jersey Marine Enterprises Dba North Jersey Marine Enterprises Inc
1680-01-484-31313065-3 INTERCHANGEABLE
Lever,control
Adams Rite Aerospace, Inc
1660-01-662-76583065-03 INTERCHANGEABLE
Housing,air Outlet,aircraft
Aerospace Lighting Corporation
Cross-Reference Index
Part NumberManufacturer
B-7585 Eaton Aerospace Llc Div Fluid and Electrical Distribution Division (USA)
30653-0 PRIMARY Rtx Corporation Div Pratt & Whitney (USA)
30653 Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
6615-00-032-0379INTERCHANGEABLE
TAB
306530
8115-00-079-8681INTERCHANGEABLE
BOX,SHIPPING
8681
3110-00-100-0315INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
453A
5905-00-931-9980INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
2940-01-360-6368INTERCHANGEABLE
FILTER ELEMENT,FLUID
B7585
5331-01-392-9897INTERCHANGEABLE
O-RING
30653
1680-01-484-3131INTERCHANGEABLE
LEVER,CONTROL
3065-3
1660-01-662-7658INTERCHANGEABLE
HOUSING,AIR OUTLET,AIRCRAFT
3065-03

Frequently Asked Questions

What is NSN 6680-00-939-8358?

NSN 6680-00-939-8358 is a Gage Rod-Cap,liquid Level, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-939-8358?

NSN 6680-00-939-8358 has 3 cross-referenced part numbers: B-7585 (Eaton Aerospace Llc Div Fluid and Electrical Distribution Division), 30653-0 (Rtx Corporation Div Pratt & Whitney), 30653 (Rtx Corporation Div Pratt & Whitney).

What NSN replaces 6680-00-939-8358?

There are 8 known substitutes for 6680-00-939-8358: 6615-00-032-0379, 8115-00-079-8681, 3110-00-100-0315 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30653-0?

Key specifications for 30653-0: Rod Length From End to Cap: 3.620 INCHES IN; Cap Type: THREADED; Handle: NOT FURNISHED; Material: ALUMINUM ALLOY. 11 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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