NSN 4820-01-668-3174 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-668-3174. Manufacturer of record part number: 12100-505.
Also searched as4820-01-668-3174 ·
4820016683174 ·
NIIN 016683174 ·
01-668-3174 ·
FSC 4820 Valves, Nonpowered · CAGE 72166 · 12100-505
Mounting Bolt Circle Diameter: 4.44 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: B.w. Elliott Manufacturing Co., Llc
Identification
NSN: 4820-01-668-3174
NIIN: 016683174
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 12100-505
Manufacturer: B.w. Elliott Manufacturing Co., Llc
General Description
The Indicator,valve Opening, cataloged under National Stock Number 4820-01-668-3174, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is B.w. Elliott Manufacturing Co., Llc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
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4820-00-001-0032 · Item name not on file
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VALVE,SAFETY RELIEF
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4820-00-001-0042 · Item name not on file
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4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-668-3174?
NSN 4820-01-668-3174 is a Indicator,valve Opening, manufactured by B.w. Elliott Manufacturing Co., Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-668-3174?
NSN 4820-01-668-3174 has 1 manufacturer part number on file: 12100-505 (B.w. Elliott Manufacturing Co., Llc).
What are the specifications of 12100-505?
Key specifications for 12100-505: Mounting Facility Type and Quantity: 1 FLANGE; Mounting Hole Diameter: 0.5625 INCHES NOMINAL IN; Diameter: 5.56 INCHES NOMINAL IN; Mounting Bolt Circle Diameter: 4.44 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-668-3174 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.