PartsTable TECHNICAL DATA SHEET

NSN 4820-01-345-5867Government record, cited

Valve Assembly, Manifold4820-01-345-5867

NSN 4820-01-345-5867 · NIIN 013455867 · Part number R257-029 2794-0001-55

Mission Systems Orchard Park Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 04577

Government record, cited

NSN 4820-01-345-5867 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-345-5867. Manufacturer of record part number: R257-029 2794-0001-55.

Also searched as 4820-01-345-5867 · 4820013455867 · NIIN 013455867 · 01-345-5867 · FSC 4820 Valves, Nonpowered · CAGE 04577 · R257-029 2794-0001-55 · 2794-0001-55 · 2794-0001-55

Nearby stock numbers ← 4820-01-345-5866 · 4820-01-345-5869 Valve, Linear, Directional Control →

4820-01-345-5867 — Valves, Nonpowered

Features

Valve Assembly,manifold — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Mission Systems Orchard Park Inc

Identification

NSN: 4820-01-345-5867
NIIN: 013455867
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: R257-029 2794-0001-55
Manufacturer: Mission Systems Orchard Park Inc

General Description

The Valve Assembly,manifold, cataloged under National Stock Number 4820-01-345-5867, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mission Systems Orchard Park Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Valve Assembly,manifold
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Mission Systems Orchard Park Inc (CAGE 04577)

Technical Specifications

Parameter	Value
NSN	4820-01-345-5867
Primary Part Number	R257-029 2794-0001-55
Item Name	Valve Assembly,manifold
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Mission Systems Orchard Park 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
R257-029 2794-0001-55 PRIMARY	Mission Systems Orchard Park Inc (USA)
2794-0001-55	Mission Systems Orchard Park Inc (USA)

Reference documents

Reference	Meaning
2794-0001-55	5/9 Secondary reference Carleton Technologies Inc Div Tampa Facility
R257-029 2794-0001-55	5/9 Secondary reference Carleton Technologies Inc Div Tampa Facility

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 4820-01-345-5867?

NSN 4820-01-345-5867 is a Valve Assembly,manifold, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-345-5867?

NSN 4820-01-345-5867 has 2 manufacturer part numbers on file: R257-029 2794-0001-55 (Mission Systems Orchard Park Inc), 2794-0001-55 (Mission Systems Orchard Park Inc).

Is NSN 4820-01-345-5867 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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