The Stem,fluid Valve, cataloged under National Stock Number 4820-01-272-3929, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-272-3929
Item Name
Stem,fluid Valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Valve Type for Which Designed
GLOBE
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5340-01-517-286261902POSSIBLE MATCH
LEVER,LOCK-RELEASE
Possible match (shared part number)Aerol Llc
4130-01-526-004061902POSSIBLE MATCH
VACU-DISCS
Possible match (shared part number)Dcm Clean Air Products, Inc.
6695-01-614-938861902POSSIBLE MATCH
DETECTING AND TRACING SET,METAL
Possible match (shared part number)Zircon Corporation
5930-01-665-978461902POSSIBLE MATCH
SWITCH,THERMOSTATIC
Possible match (shared part number)Toshiba International Corporation Dba Toshiba International Corp
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
76849SA ITEM 4
5/2Secondary reference
U.S. Government activity
76849SA
D/9Drawing number reference only
U.S. Government activity
61902
3/2Design control — primary reference
U.S. Government activity
Related Parts
5340-01-517-2862POSSIBLE MATCH
LEVER,LOCK-RELEASE
61902
4130-01-526-0040POSSIBLE MATCH
VACU-DISCS
61902
6695-01-614-9388POSSIBLE MATCH
DETECTING AND TRACING SET,METAL
61902
5930-01-665-9784POSSIBLE MATCH
SWITCH,THERMOSTATIC
61902
Frequently Asked Questions
What is NSN 4820-01-272-3929?
NSN 4820-01-272-3929 is a Stem,fluid Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-272-3929?
4 possible matches (shared part number, not a government interchangeability claim): 5340-01-517-2862, 4130-01-526-0040, 6695-01-614-9388. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-272-3929?
Key specifications for 4820-01-272-3929: Valve Type for Which Designed: GLOBE; Material: COPPER ALLOY. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-272-3929 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.