Piston, Valve4820-01-330-9170

NSN 4820-01-330-9170 · NIIN 013309170 · Part number 84977

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

Government record, cited

NSN 4820-01-330-9170 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-330-9170. Manufacturer of record part number: 84977.

Also searched as 4820-01-330-9170 · 4820013309170 · NIIN 013309170 · 01-330-9170 · FSC 4820 Valves, Nonpowered · CAGE 09790 · 84977 · 83895 ITEM 67

Nearby stock numbers ← 4820-01-330-9169 Stem, Fluid Valve · 4820-01-330-9180 Diaphragm, Valve, Flat →

4820-01-330-9170 — Valves, Nonpowered

Features

Piston,valve — FSC 4820
Valve Model Number for Which Designed: 83895
Valve Design Control Activity: 09790
2 manufacturer part numbers on file
Manufacturer of record: Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator

Identification

NSN: 4820-01-330-9170
NIIN: 013309170
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 84977
Manufacturer: Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator

General Description

The Piston,valve, cataloged under National Stock Number 4820-01-330-9170, 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. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-330-9170
Primary Part Number	84977
Item Name	Piston,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
Status	ACTIVE
Valve Model Number for Which Designed	83895
Valve Design Control Activity	09790

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
83895 ITEM 67	Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
84977 PRIMARY	Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)

Frequently Asked Questions

What is NSN 4820-01-330-9170?

NSN 4820-01-330-9170 is a Piston,valve, 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 4820-01-330-9170?

NSN 4820-01-330-9170 has 2 manufacturer part numbers on file: 83895 ITEM 67 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 84977 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).

What are the specifications of 84977?

Key specifications for 84977: Valve Model Number for Which Designed: 83895; Valve Design Control Activity: 09790. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-330-9170 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.

PartsTable Design LLC · partstable.com