NSN 4820-01-668-2903 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-668-2903. Manufacturer of record part number: 15070078-1.
Burst Pressure: 60.0 PRESSURE POUNDS PER SQUARE INCH GAGE
Burst Temperature: 700.0 FAHRENHEIT DEGF
Disk Type: REVERSE BUCKLING
Disk Size: 1.00 INCHES IN
2 manufacturer part numbers on file
Manufacturer of record: Bs&b Safety Systems Llc
Identification
NSN: 4820-01-668-2903
NIIN: 016682903
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 15070078-1
Manufacturer: Bs&b Safety Systems Llc
General Description
The Disk,rupturable, cataloged under National Stock Number 4820-01-668-2903, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bs&b Safety Systems Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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 4820-01-668-2903?
NSN 4820-01-668-2903 is a Disk,rupturable, manufactured by Bs&b Safety Systems Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-668-2903?
NSN 4820-01-668-2903 has 2 manufacturer part numbers on file: 15070078-1 (Bs&b Safety Systems Llc), SKR-U (Bs&b Safety Systems Llc).
What are the specifications of 15070078-1?
Key specifications for 15070078-1: Disk Material: NICKEL ALLOY; Burst Pressure: 60.0 PRESSURE POUNDS PER SQUARE INCH GAGE; Burst Temperature: 700.0 FAHRENHEIT DEGF; Disk Type: REVERSE BUCKLING. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-668-2903 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.