Ring, Piston2805-01-131-8568

NSN 2805-01-131-8568 · NIIN 011318568

FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components · FSG 28 — Engines, Turbines, and Components

Government record, cited

Also searched as 2805-01-131-8568 · 2805011318568 · NIIN 011318568 · 01-131-8568 · FSC 2805 Gasoline Reciprocating Engines, Except Aircraft; and Components · 10106387 · 41003563

Nearby stock numbers ← 2805-01-131-3915 · 2805-01-132-0483 →

Features

Ring,piston — FSC 2805
Material Document and Classification: QQ-C-465,ALLOY 642 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: DOUBLE INSIDE BEVEL, STRAIGHT FACE
Joint Style: VERTICAL JOINT
Radial Wall Thickness: 0.0998 INCHES MINIMUM AND 0.1003 INCHES MAXIMUM IN
Ring Style: CONCENTRIC
Material: COPPER ALLOY 642 OVERALL

Identification

NSN: 2805-01-131-8568
NIIN: 011318568
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
FSG: 28 — Engines, Turbines, and Components

General Description

The Ring,piston, cataloged under National Stock Number 2805-01-131-8568, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2805-01-131-8568
Item Name	Ring,piston
FSC / FSG	2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components
Status	ACTIVE
Material Document and Classification	QQ-C-465,ALLOY 642 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style	DOUBLE INSIDE BEVEL, STRAIGHT FACE
Joint Style	VERTICAL JOINT
Radial Wall Thickness	0.0998 INCHES MINIMUM AND 0.1003 INCHES MAXIMUM IN
Ring Style	CONCENTRIC
Material	COPPER ALLOY 642 OVERALL

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

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
10106387	6/9 Informative reference only Nimikkeistokeskus Ncb Finland
41003563	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2805-00-000-4022

2805-00-000-4022 · Item name not on file

2805-00-001-0029

2805-00-001-0029 · Item name not on file

2805-00-001-3527

2805-00-001-3527 · Item name not on file

2805-00-001-3844

2805-00-001-3844 · Item name not on file

2805-00-001-3854

COVER,FLYWHEEL

2805-00-001-6154

2805-00-001-6154 · Item name not on file

2805-00-001-6164

FLYWHEEL,ENGINE

2805-00-001-6575

RING SET,PISTON

Frequently Asked Questions

What is NSN 2805-01-131-8568?

NSN 2805-01-131-8568 is a Ring,piston, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.

What are the specifications of 2805-01-131-8568?

Key specifications for 2805-01-131-8568: Overall Width: 0.1000 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN; Material Document and Classification: QQ-C-465,ALLOY 642 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: DOUBLE INSIDE BEVEL, STRAIGHT FACE; Joint Style: VERTICAL JOINT. 6 specifications are documented in the U.S. Government catalog.

Is NSN 2805-01-131-8568 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.

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