Stem, Disc Assembly4820-00-388-1053

NSN 4820-00-388-1053 · NIIN 003881053 · Part number 40A49PC18-21-41-43-53-57

Ametek Inc Schutte and Koerting Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 53553

Government record, cited

NSN 4820-00-388-1053 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-388-1053. Manufacturer of record part number: 40A49PC18-21-41-43-53-57.

Also searched as 4820-00-388-1053 · 4820003881053 · NIIN 003881053 · 00-388-1053 · FSC 4820 Valves, Nonpowered · CAGE 53553 · 40A49PC18-21-41-43-53-57 · 42E65-1

Nearby stock numbers ← 4820-00-388-1052 · 4820-00-388-1075 Valve Assembly →

4820-00-388-1053 — Valves, Nonpowered

Features

Stem,disc Assembly — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Ametek Inc Schutte and Koerting Div

Identification

NSN: 4820-00-388-1053
NIIN: 003881053
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 40A49PC18-21-41-43-53-57
Manufacturer: Ametek Inc Schutte and Koerting Div

General Description

The Stem,disc Assembly, cataloged under National Stock Number 4820-00-388-1053, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ametek Inc Schutte and Koerting Div. 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	4820-00-388-1053
Primary Part Number	40A49PC18-21-41-43-53-57
Item Name	Stem,disc Assembly
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Ametek Inc Schutte and Koerting Div
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
40A49PC18-21-41-43-53-57 PRIMARY	Ametek Inc Schutte and Koerting Div (USA)
42E65-1 PRIMARY	Ametek Inc Schutte and Koerting Div (USA)

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 4820-00-388-1053?

NSN 4820-00-388-1053 is a Stem,disc Assembly, manufactured by Ametek Inc Schutte and Koerting Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-00-388-1053?

NSN 4820-00-388-1053 has 2 manufacturer part numbers on file: 40A49PC18-21-41-43-53-57 (Ametek Inc Schutte and Koerting Div), 42E65-1 (Ametek Inc Schutte and Koerting Div).

What are the specifications of 40A49PC18-21-41-43-53-57?

Key specifications for 40A49PC18-21-41-43-53-57: End Item Identification: STEAM TURBINE,SHIPS PROPULSION SYSTEM. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-388-1053 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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