NSN 4820-01-491-5905 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-491-5905. Manufacturer of record part number: 39801253.
Also searched as4820-01-491-5905 ·
4820014915905 ·
NIIN 014915905 ·
01-491-5905 ·
FSC 4820 Valves, Nonpowered · CAGE 6R484 · 39801253
Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT
Identification
NSN: 4820-01-491-5905
NIIN: 014915905
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 39801253
Manufacturer: Ingersoll-Rand Company Dba Rotary Compressor Division
General Description
The Valve,check, cataloged under National Stock Number 4820-01-491-5905, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ingersoll-Rand Company Dba Rotary Compressor Division. Government technical data includes 8 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
4820-01-491-5905
Primary Part Number
39801253
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Ingersoll-Rand Company Dba Rotary Compressor Division
Status
ACTIVE
Flange Face Design
PLAIN ALL ENDS
Mounting Position
HORIZONTAL OR VERTICAL
Minimum Operating Temp
-10.0 FAHRENHEIT DEGF
Style Designator
ANGLE FLANGED ENDS
Operating Pressure
150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Ingersoll-Rand Company Dba Rotary Compressor Division (USA)
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 4820-01-491-5905?
NSN 4820-01-491-5905 is a Valve,check, manufactured by Ingersoll-Rand Company Dba Rotary Compressor Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-491-5905?
NSN 4820-01-491-5905 has 1 manufacturer part number on file: 39801253 (Ingersoll-Rand Company Dba Rotary Compressor Division).
What are the specifications of 39801253?
Key specifications for 39801253: Flange Face Design: PLAIN ALL ENDS; Mounting Position: HORIZONTAL OR VERTICAL; Minimum Operating Temp: -10.0 FAHRENHEIT DEGF; Style Designator: ANGLE FLANGED ENDS. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-491-5905 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.