PartsTable TECHNICAL DATA SHEET

NSN 1650-01-593-5463Government record, cited

Disk, Valve1650-01-593-5463

NSN 1650-01-593-5463 · NIIN 015935463 · Part number 177K298H02

Excel Machine & Fabrication Incorporated Dba Excel Machine & Fabrication Inc · FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories · CAGE 0YFJ4

Government record, cited

NSN 1650-01-593-5463 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-593-5463. Manufacturer of record part number: 177K298H02.

Also searched as 1650-01-593-5463 · 1650015935463 · NIIN 015935463 · 01-593-5463 · FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components · CAGE 0YFJ4 · 177K298H02

Nearby stock numbers ← 1650-01-593-4053 Fuse, Hydraulic System · 1650-01-593-7016 Filter, Fluid →

Features

Disk,valve — FSC 1650
2 manufacturer part numbers on file
Manufacturer of record: Excel Machine & Fabrication Incorporated Dba Excel Machine & Fabrication Inc

Identification

NSN: 1650-01-593-5463
NIIN: 015935463
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 177K298H02
Manufacturer: Excel Machine & Fabrication Incorporated Dba Excel Machine & Fabrication Inc

General Description

The Disk,valve, cataloged under National Stock Number 1650-01-593-5463, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Excel Machine & Fabrication Incorporated Dba Excel Machine & Fabrication Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	1650-01-593-5463
Primary Part Number	177K298H02
Item Name	Disk,valve
FSC / FSG	1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Manufacturer	Excel Machine & Fabrication Incorporated Dba Excel Machine & Fabrication Inc
Status	ACTIVE

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

Part Number	Manufacturer
177K298H02	Excel Machine & Fabrication Incorporated Dba Excel Machine & Fabrication Inc (USA)
177K298H02	Ridge Engineering, Llc. (USA)

Reference documents

Reference	Meaning
177K298H02	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 1650-01-593-5463?

NSN 1650-01-593-5463 is a Disk,valve, manufactured by Excel Machine & Fabrication Incorporated Dba Excel Machine & Fabrication Inc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.

What part numbers are listed for NSN 1650-01-593-5463?

NSN 1650-01-593-5463 has 2 manufacturer part numbers on file: 177K298H02 (Excel Machine & Fabrication Incorporated Dba Excel Machine & Fabrication Inc), 177K298H02 (Ridge Engineering, Llc.).

What are the specifications of 177K298H02?

Key specifications for 177K298H02: End Item Identification: WEDGE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 1650-01-593-5463 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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