PartsTable TECHNICAL DATA SHEET

NSN 1720-00-747-9997Government record, cited

Valve1720-00-747-9997

NSN 1720-00-747-9997 · NIIN 007479997 · Part number A404728-5N

Hydrasearch Company, Llc · FSC 1720 — Aircraft Launching Equipment · FSG 17 — Aircraft Launch, Landing, and Ground Handling Equipment · CAGE 32142

Government record, cited

NSN 1720-00-747-9997 — this item is cataloged by the U.S. Government under National Stock Number 1720-00-747-9997. Manufacturer of record part number: A404728-5N.

Also searched as 1720-00-747-9997 · 1720007479997 · NIIN 007479997 · 00-747-9997 · FSC 1720 Aircraft Launching Equipment · CAGE 32142 · A404728-5N

Nearby stock numbers ← 1720-00-740-7569 · 1720-00-751-8151 →

Features

Valve — FSC 1720
1 manufacturer part number on file
Manufacturer of record: Hydrasearch Company, Llc

Identification

NSN: 1720-00-747-9997
NIIN: 007479997
FSC: 1720 — Aircraft Launching Equipment
FSG: 17 — Aircraft Launch, Landing, and Ground Handling Equipment
Primary part number: A404728-5N
Manufacturer: Hydrasearch Company, Llc

General Description

The Valve, cataloged under National Stock Number 1720-00-747-9997, is classified within Federal Supply Class 1720 (Aircraft Launching Equipment) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The manufacturer of record is Hydrasearch Company, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Valve
FSC / FSG	1720 — Aircraft Launching Equipment (FSG 17)
Manufacturers	Hydrasearch Company, Llc (CAGE 32142)

Technical Specifications

Parameter	Value
NSN	1720-00-747-9997
Primary Part Number	A404728-5N
Item Name	Valve
FSC / FSG	1720 / 17 — Aircraft Launching Equipment
Manufacturer	Hydrasearch Company, Llc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
A404728-5N	Hydrasearch Company, Llc (USA)

Reference documents

Reference	Meaning
A404728-5N	5/2 Secondary reference U.S. Government activity
A404728-5N	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 1720 — Aircraft Launching Equipment

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

1720-00-001-4571

CAM,CUTOFF

1720-00-001-4572

CAM,VALVE

1720-00-001-4573

CROSSOVER BLOCK

1720-00-003-0437

1720-00-003-0437 · Item name not on file

1720-00-003-0438

1720-00-003-0438 · Item name not on file

1720-00-003-0439

1720-00-003-0439 · Item name not on file

1720-00-003-1503

NEEDLE-CUSHION

1720-00-003-6410

1720-00-003-6410 · Item name not on file

Frequently Asked Questions

What is NSN 1720-00-747-9997?

NSN 1720-00-747-9997 is a Valve, manufactured by Hydrasearch Company, Llc, classified under FSC 1720, Aircraft Launching Equipment. Status: active.

What part numbers are listed for NSN 1720-00-747-9997?

NSN 1720-00-747-9997 has 1 manufacturer part number on file: A404728-5N (Hydrasearch Company, Llc).

Is NSN 1720-00-747-9997 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.

What is the DEMIL code for NSN 1720-00-747-9997?

NSN 1720-00-747-9997 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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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