NSN 4820-01-484-7404 · NIIN 014847404 · Part number 135
O. C. Keckley Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 32869
Government record, cited
NSN 4820-01-484-7404 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-484-7404. Manufacturer of record part number: 135.
Maximum Operating Temp: 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
Material: COPPER ALLOY OR IRON CAST OVERALL
1 manufacturer part number on file
Manufacturer of record: O. C. Keckley Company
Identification
NSN: 4820-01-484-7404
NIIN: 014847404
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 135
Manufacturer: O. C. Keckley Company
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-484-7404, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is O. C. Keckley Company. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 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 4820-01-484-7404?
NSN 4820-01-484-7404 is a Valve,safety Relief, manufactured by O. C. Keckley Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-484-7404?
NSN 4820-01-484-7404 has 1 manufacturer part number on file: 135 (O. C. Keckley Company).
What are the specifications of 135?
Key specifications for 135: Maximum Operating Temp: 450.0 FAHRENHEIT SINGLE RESPONSE DEGF; Part Name Assigned by Controlling Agency: BACK PRESSURE VALVE; Material: COPPER ALLOY OR IRON CAST OVERALL. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-484-7404 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.