NSN 4820-01-178-4872 · NIIN 011784872 · Part number 1660W2-1/2 INCS
Robert H Wager Co Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 79128
Government record, cited
NSN 4820-01-178-4872 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-178-4872. Manufacturer of record part number: 1660W2-1/2 INCS.
Nominal Pipe Size Accommodated: 2.500 INCHES ALL ENDS IN
Connection Style: BEVELED (PIPE) ALL ENDS
Connection Type: BUTT WELD PIPE ALL ENDS
Style Designator: STRAIGHT THRU
Media for Which Designed: AIR SINGLE RESPONSE
Material: STEEL BODY
Identification
NSN: 4820-01-178-4872
NIIN: 011784872
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1660W2-1/2 INCS
Manufacturer: Robert H Wager Co Inc
General Description
The Valve,vent, cataloged under National Stock Number 4820-01-178-4872, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Robert H Wager Co Inc. Government technical data includes 7 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.
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 4820-01-178-4872?
NSN 4820-01-178-4872 is a Valve,vent, manufactured by Robert H Wager Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-178-4872?
NSN 4820-01-178-4872 has 1 manufacturer part number on file: 1660W2-1/2 INCS (Robert H Wager Co Inc).
What are the specifications of 1660W2-1/2 INCS?
Key specifications for 1660W2-1/2 INCS: Furnished Items and Quantity: 1 CAP; Nominal Pipe Size Accommodated: 2.500 INCHES ALL ENDS IN; Connection Style: BEVELED (PIPE) ALL ENDS; Connection Type: BUTT WELD PIPE ALL ENDS. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-178-4872 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.