NSN 4820-01-677-5796 · NIIN 016775796 · Part number 1970-502-007-1
Mission Systems Orchard Park Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 04577
Government record, cited
NSN 4820-01-677-5796 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-677-5796. Manufacturer of record part number: 1970-502-007-1.
Nearby stock numbers← 4820-01-677-5779 Parts Kit, Pressure Regulating VA
·
4820-01-677-5804 Retainer, Disk, Valve →
4820-01-677-5796 — Valves, Nonpowered
Features
Stem,fluid Valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Mission Systems Orchard Park Inc
Identification
NSN: 4820-01-677-5796
NIIN: 016775796
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1970-502-007-1
Manufacturer: Mission Systems Orchard Park Inc
General Description
The Stem,fluid Valve, cataloged under National Stock Number 4820-01-677-5796, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Stem,fluid Valve
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Mission Systems Orchard Park Inc (CAGE 04577)
Technical Specifications
Parameter
Value
NSN
4820-01-677-5796
Primary Part Number
1970-502-007-1
Item Name
Stem,fluid Valve
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
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-719-15081970-002-24-2134POSSIBLE MATCH
VALVE,STOP-CHECK
Possible match (shared part number)Mission Systems Orchard Park Inc
4820-01-720-6675B12142-1POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Mission Systems Orchard Park Inc
5310-01-732-76711002-0008-002POSSIBLE MATCH
WASHER,CONVEX
Possible match (shared part number)Mission Systems Orchard Park Inc
5305-01-732-77651005-0012-1POSSIBLE MATCH
SCREW,DRIVE
Possible match (shared part number)Mission Systems Orchard Park Inc
NSN 4820-01-677-5796 is a Stem,fluid Valve, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-677-5796?
NSN 4820-01-677-5796 has 1 manufacturer part number on file: 1970-502-007-1 (Mission Systems Orchard Park Inc).
What NSN replaces 4820-01-677-5796?
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-719-1508, 4820-01-720-6675, 5310-01-732-7671. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-677-5796 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.