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NSN 4820-01-694-0748Government record, cited

Valve, Safety Relief4820-01-694-0748

NSN 4820-01-694-0748 · NIIN 016940748 · Part number 6543003
Envirovac Inc Dba Monogram Systems-Rockford Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 58568
Government record, cited
NSN 4820-01-694-0748 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-694-0748. Manufacturer of record part number: 6543003.
Also searched as  4820-01-694-0748 · 4820016940748 · NIIN 016940748 · 01-694-0748 · FSC 4820 Valves, Nonpowered · CAGE 58568 · 6543003
Nearby stock numbers  ·
Features
  • Valve,safety Relief — FSC 4820
  • Style Designator: STRAIGHT THRU
  • Media for Which Designed: WASTE PRODUCT SINGLE RESPONSE
  • 1 manufacturer part number on file
  • Manufacturer of record: Envirovac Inc Dba Monogram Systems-Rockford Div
Identification
  • NSN: 4820-01-694-0748
  • NIIN: 016940748
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 6543003
  • Manufacturer: Envirovac Inc Dba Monogram Systems-Rockford Div
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-694-0748, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Envirovac Inc Dba Monogram Systems-Rockford Div. 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-694-0748
Primary Part Number6543003
Item NameValve,safety Relief
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerEnvirovac Inc Dba Monogram Systems-Rockford Div
StatusACTIVE
Style DesignatorSTRAIGHT THRU
Media for Which DesignedWASTE PRODUCT SINGLE RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
6543003 PRIMARY Envirovac Inc Dba Monogram Systems-Rockford Div (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 4820-01-694-0748?

NSN 4820-01-694-0748 is a Valve,safety Relief, manufactured by Envirovac Inc Dba Monogram Systems-Rockford Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-694-0748?

NSN 4820-01-694-0748 has 1 manufacturer part number on file: 6543003 (Envirovac Inc Dba Monogram Systems-Rockford Div).

What are the specifications of 6543003?

Key specifications for 6543003: Style Designator: STRAIGHT THRU; Media for Which Designed: WASTE PRODUCT SINGLE RESPONSE; Part Name Assigned by Controlling Agency: DISCHARGE VALVE; End Item Identification: VACUUM INTERFACE UNIT 2 L. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-694-0748 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.
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