Seal Set, Piston, Control by Wire1650-01-140-3950

NSN 1650-01-140-3950 · NIIN 011403950

FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories

Government record, cited

Also searched as 1650-01-140-3950 · 1650011403950 · NIIN 011403950 · 01-140-3950 · FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components · 10330548 · 268126-5 · 268126-5

Nearby stock numbers ← 1650-01-140-3949 Slug · 1650-01-140-3952 →

Features

Seal Set,piston,control by Wire — FSC 1650
General Characteristics Item Description: POLYTETRAFLUORETHYLENE PER MIL-R-8791,0.801 IN. OD;0.635 IN. ID,0.081 IN. THK IN

Identification

NSN: 1650-01-140-3950
NIIN: 011403950
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories

General Description

The Seal Set,piston,control by Wire, cataloged under National Stock Number 1650-01-140-3950, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	1650-01-140-3950
Item Name	Seal Set,piston,control by Wire
FSC / FSG	1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Status	ACTIVE
General Characteristics Item Description	POLYTETRAFLUORETHYLENE PER MIL-R-8791,0.801 IN. OD;0.635 IN. ID,0.081 IN. THK IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
10330548	6/9 Informative reference only Nimikkeistokeskus Ncb Finland
268126-5	5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations
268126-5	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

1650-00-011-0886

1650-00-011-0886 · Item name not on file

1650-00-013-3761

SLIDE,SELECTOR

1650-00-059-7742

PARTS KIT,SEAL REPLACEMENT,MECHA

1650-00-101-7836

CLIP,RETURN PLATE

1650-00-138-2779

FILTERING DISK,FLUID

1650-00-162-3907

PARTS KIT,LINEAR ACTUATING CYLIN

1650-00-594-3500

DISK,VALVE

1650-00-658-8056

PARTS KIT,VALVE

Frequently Asked Questions

What is NSN 1650-01-140-3950?

NSN 1650-01-140-3950 is a Seal Set,piston,control by Wire, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.

What are the specifications of 1650-01-140-3950?

Key specifications for 1650-01-140-3950: General Characteristics Item Description: POLYTETRAFLUORETHYLENE PER MIL-R-8791,0.801 IN. OD;0.635 IN. ID,0.081 IN. THK IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 1650-01-140-3950 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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