NSN 3830-00-378-9950 — this item is cataloged by the U.S. Government under National Stock Number 3830-00-378-9950. Manufacturer of record part number: 9F4911.
Also searched as3830-00-378-9950 ·
3830003789950 ·
NIIN 003789950 ·
00-378-9950 ·
FSC 3830 Truck and Tractor Attachments · CAGE 11083 · 9F4911 · 136591
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Ring,rotor,hydrauli, cataloged under National Stock Number 3830-00-378-9950, is classified within Federal Supply Class 3830 (Truck and Tractor Attachments) of the Construction, Mining, Excavating Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 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
Ring,rotor,hydrauli
FSC / FSG
3830 — Truck and Tractor Attachments (FSG 38)
Manufacturers
Eaton Aerospace, Llc Dba Jackson South (CAGE 62983); Caterpillar Inc Div Caterpillar Defense (CAGE 11083)
Technical Specifications
Parameter
Value
NSN
3830-00-378-9950
Primary Part Number
9F4911
Item Name
Ring,rotor,hydrauli
FSC / FSG
3830 / 38 — Truck and Tractor Attachments
Manufacturer
Caterpillar Inc Div Caterpillar Defense
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5365-00-470-554413659-1POSSIBLE MATCH
SHIM
Possible match (shared part number)Southern Gear & Machine Inc
4820-00-775-609113-659-1POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Parker Hannifin Corporation Div Aerospace Group Headquarters
4810-01-572-0359POSSIBLE MATCH
VALVE,SOLENOID
Possible match (shared part number)
1377-01-608-069913659-1POSSIBLE MATCH
SQUIB,ELECTRIC
Possible match (shared part number)Tavco, Inc. Div Williams Aerospace & Manufacturing Inc.
NSN 3830-00-378-9950 is a Ring,rotor,hydrauli, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3830, Truck and Tractor Attachments. Status: active.
What part numbers are listed for NSN 3830-00-378-9950?
NSN 3830-00-378-9950 has 2 manufacturer part numbers on file: 136591 (Eaton Aerospace, Llc Dba Jackson South), 9F4911 (Caterpillar Inc Div Caterpillar Defense).
What NSN replaces 3830-00-378-9950?
4 possible matches (shared part number, not a government interchangeability claim): 5365-00-470-5544, 4820-00-775-6091, 4810-01-572-0359. Verify interchangeability with system specifications before substitution.
Is NSN 3830-00-378-9950 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.