Valve, Safety Relief 4820-01-177-2169 NSN 4820-01-177-2169 · NIIN 011772169 · Part number 20101
Tec Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1RY79
NSN 4820-01-177-2169 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-177-2169. Manufacturer of record part number: 20101 .
Also searched as
4820-01-177-2169 ·
4820011772169 ·
NIIN 011772169 ·
01-177-2169 ·
FSC 4820 Valves, Nonpowered · CAGE 1RY79 · 20101 · 857-200-022
Nearby stock numbers
← 4820-01-177-2129 Plate, Valve
·
4820-01-177-2171 Valve, Pneumatic Tank →
4820-01-177-2169 — Valves, Nonpowered
Features
Valve,safety Relief — FSC 4820 1 manufacturer part number on file Manufacturer of record: Tec Inc
Identification
NSN: 4820-01-177-2169
NIIN: 011772169
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 20101
Manufacturer: Tec Inc
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-177-2169, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tec Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name Valve,safety Relief FSC / FSG 4820 — Valves, Nonpowered (FSG 48) Manufacturers Tec Inc (CAGE 1RY79)
Technical Specifications
Parameter Value NSN 4820-01-177-2169 Primary Part Number 20101 Item Name Valve,safety Relief FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Tec 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)
Cross-Reference Index
Part Number Manufacturer
20101 PRIMARY Tec Inc (USA)
Reference documents
Reference Meaning
857-200-022
5/9 Secondary reference Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots
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 4820-01-177-2169?
NSN 4820-01-177-2169 is a Valve,safety Relief, manufactured by Tec Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-177-2169?
NSN 4820-01-177-2169 has 1 manufacturer part number on file: 20101 (Tec Inc).
Is NSN 4820-01-177-2169 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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