Seat, Valve4820-01-600-5521

NSN 4820-01-600-5521 · NIIN 016005521 · Part number 40075749

Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE KCUC6

Government record, cited

NSN 4820-01-600-5521 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-600-5521. Manufacturer of record part number: 40075749.

Also searched as 4820-01-600-5521 · 4820016005521 · NIIN 016005521 · 01-600-5521 · FSC 4820 Valves, Nonpowered · CAGE KCUC6 · 40075749 · 01-1120-01

Nearby stock numbers ← 4820-01-600-5504 Ball, Check · 4820-01-600-5586 Cartridge, Shut-Off Valve →

4820-01-600-5521 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)

Identification

NSN: 4820-01-600-5521
NIIN: 016005521
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 40075749
Manufacturer: Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-600-5521, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt). The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-600-5521
Primary Part Number	40075749
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)
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
40075749	Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (GBR)

Reference documents

Reference	Meaning
01-1120-01	3/9 Design control — primary reference Psg California, Llc Div Dover Corporation

Frequently Asked Questions

What is NSN 4820-01-600-5521?

NSN 4820-01-600-5521 is a Seat,valve, manufactured by Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt), classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-600-5521?

NSN 4820-01-600-5521 has 1 manufacturer part number on file: 40075749 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)).

What are the specifications of 40075749?

Key specifications for 40075749: End Item Identification: 4310-01-549-9042, DIAPHRAGM,PUMP,SPECIAL SHAPED. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-600-5521 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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