NSN 4520-00-176-4780 · NIIN 001764780 · Part number 11666
Getinge Usa Inc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 32510
Government record, cited
NSN 4520-00-176-4780 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-176-4780. Manufacturer of record part number: 11666.
Also searched as4520-00-176-4780 ·
4520001764780 ·
NIIN 001764780 ·
00-176-4780 ·
FSC 4520 Space and Water Heating Equipment · CAGE 32510 · 11666 · W011666 · 144382 · 137503
Operating Pressure: 33.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Valve Shape: ANGLED
Valve Type: QUICK AIR VENT
Material: COPPER ALLOY
Identification
NSN: 4520-00-176-4780
NIIN: 001764780
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 11666
Manufacturer: Getinge Usa Inc
General Description
The Valve,air Venting,steam, cataloged under National Stock Number 4520-00-176-4780, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Getinge Usa Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4520-00-176-4780
Primary Part Number
11666
Item Name
Valve,air Venting,steam
FSC / FSG
4520 / 45 — Space and Water Heating Equipment
Manufacturer
Getinge Usa Inc
Status
ACTIVE
Valve Air Return Prevention
REQUIRED
Valve Connection Size
0.250 INCHES IN
Valve Water Pressure Position
CLOSED
Operating Pressure
33.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Valve Shape
ANGLED
Valve Type
QUICK AIR VENT
Material
COPPER ALLOY
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 Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
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NSN 4520-00-176-4780 is a Valve,air Venting,steam, manufactured by Getinge Usa Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-00-176-4780?
NSN 4520-00-176-4780 has 2 manufacturer part numbers on file: 11666 (Getinge Usa Inc), 144382 (Getinge Usa Inc).
What NSN replaces 4520-00-176-4780?
11 possible matches (shared part number, not a government interchangeability claim): 5815-00-309-3880, 5950-00-418-9602, 6105-00-623-0020. Verify interchangeability with system specifications before substitution.
What are the specifications of 11666?
Key specifications for 11666: Valve Air Return Prevention: REQUIRED; Valve Connection Size: 0.250 INCHES IN; Valve Water Pressure Position: CLOSED; Operating Pressure: 33.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4520-00-176-4780 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.