The Valve,flow Control, cataloged under National Stock Number 4820-00-343-5997, 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1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
4820-00-343-5997
Item Name
Valve,flow Control
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Body Material
COPPER ALLOY
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.
6550-00-436-18792888POSSIBLE MATCH
TEST STRIPS AND COLOR CHART,GLUC
Possible match (shared part number)Bayer Healthcare Llc Dba Bayer Healthcare-Viterion
2530-00-860-994212350929POSSIBLE MATCH
PARTS KIT,AIR-HYDRAULIC BRAKE SL
Possible match (shared part number)General Motors Llc Dba General Motors Llc
4910-01-172-7699POSSIBLE MATCH
CONE,BEARING
Possible match (shared part number)
5340-01-301-5238NAS1397R3DBPOSSIBLE MATCH
CLAMP,LOOP
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6670-01-631-22242888POSSIBLE MATCH
SCALE,WEIGHING
Possible match (shared part number)Mettler Teledo Div Retail Division
5985-01-654-4058P60BPOSSIBLE MATCH
MAST
Possible match (shared part number)Signal-Tech
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
A70-09-6-02890-11
3/2Design control — primary reference
U.S. Government activity
2888
5/9Secondary reference
U.S. Government activity
Related Parts
6550-00-436-1879POSSIBLE MATCH
TEST STRIPS AND COLOR CHART,GLUC
2888
2530-00-860-9942POSSIBLE MATCH
PARTS KIT,AIR-HYDRAULIC BRAKE SL
12350929
4910-01-172-7699POSSIBLE MATCH
CONE,BEARING
5340-01-301-5238POSSIBLE MATCH
CLAMP,LOOP
NAS1397R3DB
6670-01-631-2224POSSIBLE MATCH
SCALE,WEIGHING
2888
5985-01-654-4058POSSIBLE MATCH
MAST
P60B
Frequently Asked Questions
What is NSN 4820-00-343-5997?
NSN 4820-00-343-5997 is a Valve,flow Control, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-00-343-5997?
6 possible matches (shared part number, not a government interchangeability claim): 6550-00-436-1879, 2530-00-860-9942, 4910-01-172-7699. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-00-343-5997?
Key specifications for 4820-00-343-5997: Body Material: COPPER ALLOY; Special Features: INCL VALVE 1, PLUNGER 1, SPRING 1. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-00-343-5997 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.