NSN 4820-01-603-7066 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-603-7066. Manufacturer of record part number: SS-CHS4-EP-1.
Also searched as4820-01-603-7066 ·
4820016037066 ·
NIIN 016037066 ·
01-603-7066 ·
FSC 4820 Valves, Nonpowered · CAGE 3T9T9 · SS-CHS4-EP-1
Nominal Pipe Size Accommodated: 0.25 INCHES ALL ENDS IN
Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
Style Designator: STRAIGHT THRU
Maximum Operating Temp: 300.0 FAHRENHEIT SINGLE RESPONSE DEGF
Material: STEEL COMP 316 OVERALL
Opening Pressure Setting: 6000.0 POUNDS PER SQUARE INCH LBS
Identification
NSN: 4820-01-603-7066
NIIN: 016037066
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: SS-CHS4-EP-1
Manufacturer: Swagelok Co
General Description
The Valve,check, cataloged under National Stock Number 4820-01-603-7066, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. 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.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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Frequently Asked Questions
What is NSN 4820-01-603-7066?
NSN 4820-01-603-7066 is a Valve,check, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-603-7066?
NSN 4820-01-603-7066 has 1 manufacturer part number on file: SS-CHS4-EP-1 (Swagelok Co).
What are the specifications of SS-CHS4-EP-1?
Key specifications for SS-CHS4-EP-1: Flow Control Device: POPPET; Nominal Pipe Size Accommodated: 0.25 INCHES ALL ENDS IN; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Style Designator: STRAIGHT THRU. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-603-7066 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.