NSN 1020-00-499-8580 · NIIN 004998580 · Part number 3140187
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · FSC 1020 — Guns, Over 125mm Through 150mm · FSG 10 — Weapons · CAGE 10001
Government record, cited
NSN 1020-00-499-8580 — this item is cataloged by the U.S. Government under National Stock Number 1020-00-499-8580. Manufacturer of record part number: 3140187.
Also searched as1020-00-499-8580 ·
1020004998580 ·
NIIN 004998580 ·
00-499-8580 ·
FSC 1020 Guns, Over 125mm Through 150mm · CAGE 10001 · 3140187
General Characteristics Item Description: COPPER ALUMINUM ALLOY CDA 623,1.875 IN. OD,1.250 IN. LG IN
1 manufacturer part number on file
Manufacturer of record: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Identification
NSN: 1020-00-499-8580
NIIN: 004998580
FSC: 1020 — Guns, Over 125mm Through 150mm
FSG: 10 — Weapons
Primary part number: 3140187
Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description
The Retainer,seal, cataloged under National Stock Number 1020-00-499-8580, is classified within Federal Supply Class 1020 (Guns, Over 125mm Through 150mm) of the Weapons group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1020-00-499-8580
Primary Part Number
3140187
Item Name
Retainer,seal
FSC / FSG
1020 / 10 — Guns, Over 125mm Through 150mm
Manufacturer
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Status
ACTIVE
General Characteristics Item Description
COPPER ALUMINUM ALLOY CDA 623,1.875 IN. OD,1.250 IN. LG IN
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
No interchangeability data on file.
Other items in FSC 1020 — Guns, Over 125mm Through 150mm
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1020-00-500-4252
1020-00-500-4252 · Item name not on file
1020-01-068-4422
ROD,PISTON
1020-01-183-8344
CAP,VALVE SLEEVE
1020-01-464-0073
PARTS KIT-SEAL REPL
1020-01-464-0477
PARTS KIT-SEAL REPLACEMENT-MECHA
1020-01-464-0478
PARTS KIT-SEAL REPLACEMENT-MECHA
1020-01-464-0479
PARTS KIT-SEAL REPLACEMENT-MECHA
1020-01-464-0610
PARTS KIT-SEAL REPL
Frequently Asked Questions
What is NSN 1020-00-499-8580?
NSN 1020-00-499-8580 is a Retainer,seal, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1020, Guns, Over 125mm Through 150mm. Status: active.
What part numbers are listed for NSN 1020-00-499-8580?
NSN 1020-00-499-8580 has 1 manufacturer part number on file: 3140187 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
What are the specifications of 3140187?
Key specifications for 3140187: General Characteristics Item Description: COPPER ALUMINUM ALLOY CDA 623,1.875 IN. OD,1.250 IN. LG IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 1020-00-499-8580 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.