PartsTable TECHNICAL DATA SHEET

NSN 4820-01-175-4558Government record, cited

Valve Assembly, Manifold4820-01-175-4558

NSN 4820-01-175-4558 · NIIN 011754558 · Part number 74750-1

Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 09790

Government record, cited

NSN 4820-01-175-4558 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-175-4558. Manufacturer of record part number: 74750-1.

Also searched as 4820-01-175-4558 · 4820011754558 · NIIN 011754558 · 01-175-4558 · FSC 4820 Valves, Nonpowered · CAGE 09790 · 74750-1 · 74750 PIECE -1

Nearby stock numbers ← 4820-01-175-4553 Valve, Cont Mfd · 4820-01-175-4591 Valve, Regulating, Fluid Pressure →

4820-01-175-4558 — Valves, Nonpowered

Features

Valve Assembly,manifold — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator

Identification

NSN: 4820-01-175-4558
NIIN: 011754558
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 74750-1
Manufacturer: Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator

General Description

The Valve Assembly,manifold, cataloged under National Stock Number 4820-01-175-4558, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-175-4558
Primary Part Number	74750-1
Item Name	Valve Assembly,manifold
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
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
74750-1 PRIMARY	Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
74750 PIECE -1	Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)

Reference documents

Reference	Meaning
74750-1	3/2 Design control — primary 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 4820-01-175-4558?

NSN 4820-01-175-4558 is a Valve Assembly,manifold, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-175-4558?

NSN 4820-01-175-4558 has 2 manufacturer part numbers on file: 74750-1 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 74750 PIECE -1 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).

What are the specifications of 74750-1?

Key specifications for 74750-1: End Item Identification: NON-POWERED VALVE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-175-4558 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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