PartsTable TECHNICAL DATA SHEET

NSN 4820-01-249-4597Government record, cited

Valve, Cross4820-01-249-4597

NSN 4820-01-249-4597 · NIIN 012494597 · Part number 9900-434

Woodward, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 31361

Government record, cited

NSN 4820-01-249-4597 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-249-4597. Manufacturer of record part number: 9900-434.

Also searched as 4820-01-249-4597 · 4820012494597 · NIIN 012494597 · 01-249-4597 · FSC 4820 Valves, Nonpowered · CAGE 31361 · 9900-434

Nearby stock numbers ← 4820-01-249-4530 Valve Assembly · 4820-01-249-4790 Valve, Globe →

4820-01-249-4597 — Valves, Nonpowered

Features

Valve,cross — FSC 4820
FSC Application Data: VALVE ASSEMBLY BY PASS 9900-366
1 manufacturer part number on file
Manufacturer of record: Woodward, Inc.

Identification

NSN: 4820-01-249-4597
NIIN: 012494597
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 9900-434
Manufacturer: Woodward, Inc.

General Description

The Valve,cross, cataloged under National Stock Number 4820-01-249-4597, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Woodward, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-249-4597
Primary Part Number	9900-434
Item Name	Valve,cross
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Woodward, Inc.
Status	ACTIVE
FSC Application Data	VALVE ASSEMBLY BY PASS 9900-366

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
9900-434 PRIMARY	Woodward, Inc. (USA)

Reference documents

Reference	Meaning
9900-434	5/9 Secondary reference Woodward, Inc. Div Fuel Systems and Controls

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

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

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-249-4597?

NSN 4820-01-249-4597 is a Valve,cross, manufactured by Woodward, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-249-4597?

NSN 4820-01-249-4597 has 1 manufacturer part number on file: 9900-434 (Woodward, Inc.).

What are the specifications of 9900-434?

Key specifications for 9900-434: FSC Application Data: VALVE ASSEMBLY BY PASS 9900-366. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-249-4597 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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