NSN 4820-01-697-7873 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-697-7873. Manufacturer of record part number: T01-04G-1FFX.
Also searched as4820-01-697-7873 ·
4820016977873 ·
NIIN 016977873 ·
01-697-7873 ·
FSC 4820 Valves, Nonpowered · CAGE 00DR5 · T01-04G-1FFX
Operating Pressure: 270.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size: 4.0 INCHES IN
Identification
NSN: 4820-01-697-7873
NIIN: 016977873
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: T01-04G-1FFX
Manufacturer: Hy-Grade Valve, Inc.
General Description
The Valve,check, cataloged under National Stock Number 4820-01-697-7873, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hy-Grade Valve, Inc.. Government technical data includes 12 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.
Technical Specifications
Parameter
Value
NSN
4820-01-697-7873
Primary Part Number
T01-04G-1FFX
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Hy-Grade Valve, Inc.
Status
ACTIVE
Flange Shape
ROUND ALL ENDS
Mounting Position
VERTICAL
Minimum Operating Temp
-60.0 FAHRENHEIT DEGF
Connection Type
FLANGE ALL ENDS
Style Designator
STRAIGHT THRU
Operating Pressure
270.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
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 4820-01-697-7873?
NSN 4820-01-697-7873 is a Valve,check, manufactured by Hy-Grade Valve, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-697-7873?
NSN 4820-01-697-7873 has 1 manufacturer part number on file: T01-04G-1FFX (Hy-Grade Valve, Inc.).
What are the specifications of T01-04G-1FFX?
Key specifications for T01-04G-1FFX: Flange Shape: ROUND ALL ENDS; Mounting Position: VERTICAL; Minimum Operating Temp: -60.0 FAHRENHEIT DEGF; Connection Type: FLANGE ALL ENDS. 12 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-697-7873 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.