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NSN 4820-01-601-2581Government record, cited

Diaphragm4820-01-601-2581

NSN 4820-01-601-2581 · NIIN 016012581 · Part number 50011424

Allied Services and Spares, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1FPR2

Government record, cited

NSN 4820-01-601-2581 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-601-2581. Manufacturer of record part number: 50011424.

Also searched as 4820-01-601-2581 · 4820016012581 · NIIN 016012581 · 01-601-2581 · FSC 4820 Valves, Nonpowered · CAGE 1FPR2 · 50011424

Nearby stock numbers ← 4820-01-601-2577 Diaphragm · 4820-01-601-2659 Valve, Safety Relief →

4820-01-601-2581 — Valves, Nonpowered

Features

Diaphragm — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Allied Services and Spares, Inc.

Identification

NSN: 4820-01-601-2581
NIIN: 016012581
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 50011424
Manufacturer: Allied Services and Spares, Inc.

General Description

The Diaphragm, cataloged under National Stock Number 4820-01-601-2581, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Allied Services and Spares, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Diaphragm
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Allied Services and Spares, Inc. (CAGE 1FPR2)

Technical Specifications

Parameter	Value
NSN	4820-01-601-2581
Primary Part Number	50011424
Item Name	Diaphragm
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Allied Services and Spares, Inc.
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL B — Remove Demilitarization Key Points
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
50011424 PRIMARY	Allied Services and Spares, Inc. (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 4820-01-601-2581?

NSN 4820-01-601-2581 is a Diaphragm, manufactured by Allied Services and Spares, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-601-2581?

NSN 4820-01-601-2581 has 1 manufacturer part number on file: 50011424 (Allied Services and Spares, Inc.).

What are the specifications of 50011424?

Key specifications for 50011424: End Item Identification: STRYKER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-601-2581 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.

What is the DEMIL code for NSN 4820-01-601-2581?

NSN 4820-01-601-2581 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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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