The Valve,safety Relief, cataloged under National Stock Number 4820-00-692-3791, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-692-3791
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Valve Operation Method
AUTOMATIC
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4720-00-845-2898POSSIBLE MATCH
HOSE,NONMETALLIC
Possible match (shared part number)
5940-00-983-6114POSSIBLE MATCH
TERMINAL BOARD
Possible match (shared part number)
6685-01-384-2451HP-004-040POSSIBLE MATCH
GAGE,DIFFERENTIAL,DIAL INDICATIN
Possible match (shared part number)Fluid Conditioning Products, Inc.
2920-01-385-8704100661POSSIBLE MATCH
TERMINAL BLOCK,ELECTRICAL
Possible match (shared part number)Datron World Communications, Inc.
6520-01-601-6714100-661POSSIBLE MATCH
ARCH WIRE,DENTAL
Possible match (shared part number)Ortho Organizers Inc
5935-01-674-5105TDG1026KS-C6APOSSIBLE MATCH
ADAPTER,CONNECTOR
Possible match (shared part number)Infinite Electronics International, Inc. Div L-Com
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
100-661
3/2Design control — primary reference
U.S. Government activity
650378
7/2Vendor item drawing reference
U.S. Government activity
Related Parts
4720-00-845-2898POSSIBLE MATCH
HOSE,NONMETALLIC
5940-00-983-6114POSSIBLE MATCH
TERMINAL BOARD
6685-01-384-2451POSSIBLE MATCH
GAGE,DIFFERENTIAL,DIAL INDICATIN
HP-004-040
2920-01-385-8704POSSIBLE MATCH
TERMINAL BLOCK,ELECTRICAL
100661
6520-01-601-6714POSSIBLE MATCH
ARCH WIRE,DENTAL
100-661
5935-01-674-5105POSSIBLE MATCH
ADAPTER,CONNECTOR
TDG1026KS-C6A
Frequently Asked Questions
What is NSN 4820-00-692-3791?
NSN 4820-00-692-3791 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-00-692-3791?
6 possible matches (shared part number, not a government interchangeability claim): 4720-00-845-2898, 5940-00-983-6114, 6685-01-384-2451. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-00-692-3791?
Key specifications for 4820-00-692-3791: Valve Operation Method: AUTOMATIC. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-00-692-3791 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.