PartsTable TECHNICAL DATA SHEET
NSN 1020-00-008-5181Government record, cited

Piston1020-00-008-5181

NSN 1020-00-008-5181 · NIIN 000085181 · Part number 1339672PC2
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 1020-00-008-5181 — this item is cataloged by the U.S. Government under National Stock Number 1020-00-008-5181. Manufacturer of record part number: 1339672PC2.
Also searched as  1020-00-008-5181 · 1020000085181 · NIIN 000085181 · 00-008-5181 · FSC 1020 Guns, Over 125mm Through 150mm · CAGE 10001 · 1339672PC2
Nearby stock numbers  ·
Features
  • Piston — FSC 1020
  • General Characteristics Item Description: STEEL 1020 OR ALTERNATE IN ACCORDANCE WITH OD 8853 TYPE A GRADE 2
  • 1 manufacturer part number on file
  • Manufacturer of record: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Identification
  • NSN: 1020-00-008-5181
  • NIIN: 000085181
  • FSC: 1020 — Guns, Over 125mm Through 150mm
  • FSG: 10 — Weapons
  • Primary part number: 1339672PC2
  • Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description

The Piston, cataloged under National Stock Number 1020-00-008-5181, 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
ParameterValue
NSN1020-00-008-5181
Primary Part Number1339672PC2
Item NamePiston
FSC / FSG1020 / 10 — Guns, Over 125mm Through 150mm
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
General Characteristics Item DescriptionSTEEL 1020 OR ALTERNATE IN ACCORDANCE WITH OD 8853 TYPE A GRADE 2
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL B — Remove Demilitarization Key Points
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
1339672PC2 PRIMARY 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 1020-00-008-5181?

NSN 1020-00-008-5181 is a Piston, 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 1020-00-008-5181?

NSN 1020-00-008-5181 has 1 manufacturer part number on file: 1339672PC2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What are the specifications of 1339672PC2?

Key specifications for 1339672PC2: General Characteristics Item Description: STEEL 1020 OR ALTERNATE IN ACCORDANCE WITH OD 8853 TYPE A GRADE 2. 1 specification is documented in the U.S. Government catalog.

Is NSN 1020-00-008-5181 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.

What is the DEMIL code for NSN 1020-00-008-5181?

NSN 1020-00-008-5181 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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.
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