PartsTable TECHNICAL DATA SHEET

NSN 4820-01-351-7855Government record, cited

Seat, Valve4820-01-351-7855

NSN 4820-01-351-7855 · NIIN 013517855 · Part number 178131 PC NO 24

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 76364

Government record, cited

NSN 4820-01-351-7855 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-351-7855. Manufacturer of record part number: 178131 PC NO 24.

Also searched as 4820-01-351-7855 · 4820013517855 · NIIN 013517855 · 01-351-7855 · FSC 4820 Valves, Nonpowered · CAGE 76364 · 178131 PC NO 24 · 5071CM040024J1 · 5071CM040024J1

Nearby stock numbers ← 4820-01-351-7286 Valve Assembly, Manifold · 4820-01-351-8024 →

4820-01-351-7855 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc

Identification

NSN: 4820-01-351-7855
NIIN: 013517855
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 178131 PC NO 24
Manufacturer: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-351-7855, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Seat,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (CAGE 76364)

Technical Specifications

Parameter	Value
NSN	4820-01-351-7855
Primary Part Number	178131 PC NO 24
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
178131 PC NO 24 PRIMARY	Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)

Reference documents

Reference	Meaning
178131 PC NO 24	5/9 Secondary reference U.S. Government activity
5071CM040024J1	5/9 Secondary reference U.S. Government activity
5071CM040024J1	C/1 Advisory reference — outside the item-of-supply concept Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc

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 4820-01-351-7855?

NSN 4820-01-351-7855 is a Seat,valve, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-351-7855?

NSN 4820-01-351-7855 has 1 manufacturer part number on file: 178131 PC NO 24 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).

Is NSN 4820-01-351-7855 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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