NSN 4820-01-259-2329 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-259-2329. Manufacturer of record part number: 284-01.
Also searched as4820-01-259-2329 ·
4820012592329 ·
NIIN 012592329 ·
01-259-2329 ·
FSC 4820 Valves, Nonpowered · CAGE 55378 · 284-01
Manufacturer of record: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Identification
NSN: 4820-01-259-2329
NIIN: 012592329
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 284-01
Manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
General Description
The Piston,valve, cataloged under National Stock Number 4820-01-259-2329, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 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
4820-01-259-2329
Primary Part Number
284-01
Item Name
Piston,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Status
ACTIVE
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 Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5895-01-323-762928401POSSIBLE MATCH
MODEM,COMMUNICATIONS
Possible match (shared part number)Motorola/codex Corp Sub of Motorola Inc
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5895-01-323-7629POSSIBLE MATCH
MODEM,COMMUNICATIONS
28401
3040-01-624-6369POSSIBLE MATCH
NRP,GEARBOX,TRANSFE
08000529
5110-01-652-0401POSSIBLE MATCH
KNIFE,SCRAPING
Frequently Asked Questions
What is NSN 4820-01-259-2329?
NSN 4820-01-259-2329 is a Piston,valve, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-259-2329?
NSN 4820-01-259-2329 has 1 manufacturer part number on file: 284-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
What NSN replaces 4820-01-259-2329?
3 possible matches (shared part number, not a government interchangeability claim): 5895-01-323-7629, 3040-01-624-6369, 5110-01-652-0401. Verify interchangeability with system specifications before substitution.
What are the specifications of 284-01?
Key specifications for 284-01: Special Features: CAST BRONZE,NICKEL-PLATED; OD 2.619 IN.; LG 2.000 IN. IN. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-259-2329 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.