PartsTable TECHNICAL DATA SHEET

NSN 4820-01-557-3012Government record, cited

Valve, Ball4820-01-557-3012

NSN 4820-01-557-3012 · NIIN 015573012 · Part number 2504532 P/N SPS-E1U-A-4343

Evac North America Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 47WD8

Government record, cited

NSN 4820-01-557-3012 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-557-3012. Manufacturer of record part number: 2504532 P/N SPS-E1U-A-4343.

Also searched as 4820-01-557-3012 · 4820015573012 · NIIN 015573012 · 01-557-3012 · FSC 4820 Valves, Nonpowered · CAGE 47WD8 · 2504532 P/N SPS-E1U-A-4343 · 2504532-001 · 3900095 ITEM 12 · SPS-E1U-A-4343

Nearby stock numbers ← 4820-01-557-2865 Body and Slide, Directional Contr · 4820-01-557-3021 Valve, Ball →

4820-01-557-3012 — Valves, Nonpowered

Features

Valve,ball — FSC 4820
3 manufacturer part numbers on file
Manufacturer of record: Evac North America Inc

Identification

NSN: 4820-01-557-3012
NIIN: 015573012
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 2504532 P/N SPS-E1U-A-4343
Manufacturer: Evac North America Inc

General Description

The Valve,ball, cataloged under National Stock Number 4820-01-557-3012, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Evac North America Inc. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Valve,ball
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Evac North America Inc (CAGE 47WD8)

Technical Specifications

Parameter	Value
NSN	4820-01-557-3012
Primary Part Number	2504532 P/N SPS-E1U-A-4343
Item Name	Valve,ball
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Evac North America Inc
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
2504532 P/N SPS-E1U-A-4343	Evac North America Inc (USA)
2504532-001	Evac North America Inc (USA)
3900095 ITEM 12	Evac North America Inc (USA)

Reference documents

Reference	Meaning
SPS-E1U-A-4343	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 4820-01-557-3012?

NSN 4820-01-557-3012 is a Valve,ball, manufactured by Evac North America Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-557-3012?

NSN 4820-01-557-3012 has 3 manufacturer part numbers on file: 2504532 P/N SPS-E1U-A-4343 (Evac North America Inc), 2504532-001 (Evac North America Inc), 3900095 ITEM 12 (Evac North America Inc).

Is NSN 4820-01-557-3012 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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