Retainer, Disk, Valve4820-01-341-3842

NSN 4820-01-341-3842 · NIIN 013413842 · Part number 7M7528-3

The Boeing Company Div Defense · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 76301

Government record, cited

NSN 4820-01-341-3842 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-341-3842. Manufacturer of record part number: 7M7528-3.

Also searched as 4820-01-341-3842 · 4820013413842 · NIIN 013413842 · 01-341-3842 · FSC 4820 Valves, Nonpowered · CAGE 76301 · 7M7528-3

Nearby stock numbers ← 4820-01-341-3810 Valve, Regulating, System Pressure · 4820-01-341-3900 Valve Assembly →

4820-01-341-3842 — Valves, Nonpowered

Features

Retainer,disk,valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: The Boeing Company Div Defense

Identification

NSN: 4820-01-341-3842
NIIN: 013413842
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 7M7528-3
Manufacturer: The Boeing Company Div Defense

General Description

The Retainer,disk,valve, cataloged under National Stock Number 4820-01-341-3842, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Boeing Company Div Defense. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-341-3842
Primary Part Number	7M7528-3
Item Name	Retainer,disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	The Boeing Company Div Defense
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
7M7528-3 PRIMARY	The Boeing Company Div Defense (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 4820-01-341-3842?

NSN 4820-01-341-3842 is a Retainer,disk,valve, manufactured by The Boeing Company Div Defense, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-341-3842?

NSN 4820-01-341-3842 has 1 manufacturer part number on file: 7M7528-3 (The Boeing Company Div Defense).

What are the specifications of 7M7528-3?

Key specifications for 7M7528-3: Special Features: MATLE: THIS PART MACHINED FROM CASTING DWG 7M7503-1,CAGEC 76301; ALTERNATE MATLS: ALUMINUM ALLOY,QQ-A-225/8,ALLOY 6061,T6 OR ALUMINUM ALLOY,QQ-A-225-6,ALLOY 2024,T6 OR T851; ANODIZE PER MIL-A-8625,TYPE 2,CLASS 1; 1.535 IN. LGTH; 2.181 IN. OUTSIDE DIA AT FLANGE END; OTHER END 0.500 IN. HEX DIA; 0.250 IN. LGTH OF HEX; 0.030 IN. RADIUS; REMAINDER OF LGTH,0.625 IN. DIA; FLANGE END HAS 3 HOLES 0.173 IN. DIA THRU,COUNTERSUNK 0.340 IN. MIN TO 0.345 IN. MAX BY 100 DEG; COUNTERBORE FAR SIDE 0.312 IN. THE 3 HOLES ARE EQUALLY SPACED ON 120 DEG CENTERS ON A 1.625 IN. DIA BOLT CIRCLE IN; End Item Identification: ACFT,TYPE F-15E. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-341-3842 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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