PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30307Piston,damper

The Boeing Company Div Defense · NSN 1650-00-946-8751 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-946-8751 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-946-8751. Primary manufacturer part number: 30307.
Features
  • Piston,damper — FSC 1650
  • General Characteristics Item Description: STEEL; 3.815 IN. LG; 1.496 IN. DIA LARGE END; 0.480 IN. DIA SMALL END; EXTERNAL THD 0.938-20 UNEF-3A; INTERNAL PORT INSIDE LARGE END PER MS33649-3 A
  • 3 verified cross-references
  • Primary manufacturer: The Boeing Company Div Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Piston,damper, cataloged under National Stock Number 1650-00-946-8751, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-00-946-8751
Primary Part Number30307
Item NamePiston,damper
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
General Characteristics Item DescriptionSTEEL; 3.815 IN. LG; 1.496 IN. DIA LARGE END; 0.480 IN. DIA SMALL END; EXTERNAL THD 0.938-20 UNEF-3A; INTERNAL PORT INSIDE LARGE END PER MS33649-3 A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2530-00-450-927130307L INTERCHANGEABLE
Axle Housing
Midwest Gear & Tool, Inc.
6625-00-488-4040303-07 INTERCHANGEABLE
Voltmeter
Ballantine Laboratories Inc
2940-00-521-8488K0030309 INTERCHANGEABLE
Air Cleaner,intake
Leroi International Inc Dba Compair Leroi
5910-00-648-7503AP071B INTERCHANGEABLE
Capacitor,variable,mica Dielectr
F W Capacitors Inc
5950-01-079-4710 INTERCHANGEABLE
Transformer,pulse
3110-01-139-612330307 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5905-01-245-635530307 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Elbitamerica, Inc.
5950-01-335-48289355993 INTERCHANGEABLE
Transformer,pulse
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
4240-01-574-7818 INTERCHANGEABLE
Lubricant,303 Aeros
Cross-Reference Index
Part NumberManufacturer
30307 The Boeing Company (USA)
30307 PRIMARY The Boeing Company Div Defense (USA)
FW30307 Grindley Manufacturing Inc. (USA)
Related Parts
2530-00-450-9271INTERCHANGEABLE
AXLE HOUSING
30307L
6625-00-488-4040INTERCHANGEABLE
VOLTMETER
303-07
2940-00-521-8488INTERCHANGEABLE
AIR CLEANER,INTAKE
K0030309
5910-00-648-7503INTERCHANGEABLE
CAPACITOR,VARIABLE,MICA DIELECTR
AP071B
5950-01-079-4710INTERCHANGEABLE
TRANSFORMER,PULSE
3110-01-139-6123INTERCHANGEABLE
BEARING,ROLLER,TAPERED
30307
5905-01-245-6355INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
30307
5950-01-335-4828INTERCHANGEABLE
TRANSFORMER,PULSE
9355993
4240-01-574-7818INTERCHANGEABLE
LUBRICANT,303 AEROS

Frequently Asked Questions

What is NSN 1650-00-946-8751?

NSN 1650-00-946-8751 is a Piston,damper, manufactured by The Boeing Company Div Defense, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-946-8751?

NSN 1650-00-946-8751 has 3 cross-referenced part numbers: 30307 (The Boeing Company), 30307 (The Boeing Company Div Defense), FW30307 (Grindley Manufacturing Inc.).

What NSN replaces 1650-00-946-8751?

There are 9 known substitutes for 1650-00-946-8751: 2530-00-450-9271, 6625-00-488-4040, 2940-00-521-8488 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30307?

Key specifications for 30307: General Characteristics Item Description: STEEL; 3.815 IN. LG; 1.496 IN. DIA LARGE END; 0.480 IN. DIA SMALL END; EXTERNAL THD 0.938-20 UNEF-3A; INTERNAL PORT INSIDE LARGE END PER MS33649-3 A. 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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