PartsTable TECHNICAL DATA SHEET

NSN 4820-01-434-4016Government record, cited

Controller, Bleed Air System4820-01-434-4016

NSN 4820-01-434-4016 · NIIN 014344016 · Part number 816231-1-001

Hamilton Sundstrand Corporation Dba Collins Aerospace · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 73030

Government record, cited

NSN 4820-01-434-4016 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-434-4016. Manufacturer of record part number: 816231-1-001.

Also searched as 4820-01-434-4016 · 4820014344016 · NIIN 014344016 · 01-434-4016 · FSC 4820 Valves, Nonpowered · CAGE 73030 · 816231-1-001 · 697949-1

Nearby stock numbers ← 4820-01-434-3978 Disk, Valve · 4820-01-434-4158 →

4820-01-434-4016 — Valves, Nonpowered

Features

Controller,bleed Air System — FSC 4820
General Characteristics Item Description: CONSIST OF 10 CONNECTORES, 4 SHOC K MOUNT
1 manufacturer part number on file
Manufacturer of record: Hamilton Sundstrand Corporation Dba Collins Aerospace

Identification

NSN: 4820-01-434-4016
NIIN: 014344016
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 816231-1-001
Manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace

General Description

The Controller,bleed Air System, cataloged under National Stock Number 4820-01-434-4016, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-434-4016
Primary Part Number	816231-1-001
Item Name	Controller,bleed Air System
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Hamilton Sundstrand Corporation Dba Collins Aerospace
Status	ACTIVE
General Characteristics Item Description	CONSIST OF 10 CONNECTORES, 4 SHOC K MOUNT

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
816231-1-001 PRIMARY	Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)

Reference documents

Reference	Meaning
697949-1	7/2 Vendor item drawing reference U.S. Government activity

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 4820-01-434-4016?

NSN 4820-01-434-4016 is a Controller,bleed Air System, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-434-4016?

NSN 4820-01-434-4016 has 1 manufacturer part number on file: 816231-1-001 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What are the specifications of 816231-1-001?

Key specifications for 816231-1-001: General Characteristics Item Description: CONSIST OF 10 CONNECTORES, 4 SHOC K MOUNT; Overall Length: 10.070 INCHES MINIMUM AND 10.110 INCHES MAXIMUM IN; Overall Width: 7.721 INCHES MINIMUM AND 7.851 INCHES MAXIMUM IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-434-4016 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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