NSN 4820-01-076-4128 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-076-4128. Manufacturer of record part number: 25037.
Also searched as4820-01-076-4128 ·
4820010764128 ·
NIIN 010764128 ·
01-076-4128 ·
FSC 4820 Valves, Nonpowered · CAGE 16780 · 25037
The Piston,pressure Rel, cataloged under National Stock Number 4820-01-076-4128, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Aerospace Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Piston,pressure Rel
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Eaton Aerospace Llc (CAGE 16780)
Technical Specifications
Parameter
Value
NSN
4820-01-076-4128
Primary Part Number
25037
Item Name
Piston,pressure Rel
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Eaton Aerospace Llc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5910-01-095-572325037-017-1POSSIBLE MATCH
CAPACITOR,FIXED,CERAMIC DIELECTR
Possible match (shared part number)Eldec Aerospace Corp
5310-01-219-403525037POSSIBLE MATCH
WASHER,LOCK
Possible match (shared part number)Twg Canada Consolidated Inc
4730-01-240-3042WF2-5037POSSIBLE MATCH
ADAPTER,STRAIGHT,TUBE TO BOSS
Possible match (shared part number)Malabar
6515-01-294-206525037POSSIBLE MATCH
DRILL,BONE
Possible match (shared part number)Nobelpharma Usa Inc
6150-01-504-823625037-1POSSIBLE MATCH
CABLE ASSEMBLY,POWER,ELECTRICAL,
Possible match (shared part number)Milpower, Inc. Dba Milpower Inc
NSN 4820-01-076-4128 is a Piston,pressure Rel, manufactured by Eaton Aerospace Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-076-4128?
NSN 4820-01-076-4128 has 1 manufacturer part number on file: 25037 (Eaton Aerospace Llc).
What NSN replaces 4820-01-076-4128?
5 possible matches (shared part number, not a government interchangeability claim): 5910-01-095-5723, 5310-01-219-4035, 4730-01-240-3042. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-076-4128 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.