PartsTable TECHNICAL DATA SHEET
NSN 2805-00-347-4240Government record, cited

Ring Set, Piston2805-00-347-4240

NSN 2805-00-347-4240 · NIIN 003474240
FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components · FSG 28 — Engines, Turbines, and Components
Government record, cited
Also searched as  2805-00-347-4240 · 2805003474240 · NIIN 003474240 · 00-347-4240 · FSC 2805 Gasoline Reciprocating Engines, Except Aircraft; and Components · 26672 · 707256
Nearby stock numbers  ·
Features
  • Ring Set,piston — FSC 2805
  • FSC Application Data: GASOLINE ENGINE,NONAIRCRAFT
  • Ring Set Component Parts: COMPRESSION RING,16
  • Piston Accommodation Quantity: 8
  • Standard Bore Diameter: 3.500 INCHES IN
Identification
  • NSN: 2805-00-347-4240
  • NIIN: 003474240
  • FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
  • FSG: 28 — Engines, Turbines, and Components
General Description

The Ring Set,piston, cataloged under National Stock Number 2805-00-347-4240, 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 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-347-4240
Item NameRing Set,piston
FSC / FSG2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components
StatusACTIVE
FSC Application DataGASOLINE ENGINE,NONAIRCRAFT
Ring Set Component PartsCOMPRESSION RING,16
Piston Accommodation Quantity8
Standard Bore Diameter3.500 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2805-00-466-391726672 POSSIBLE MATCH
CRANKSHAFT,ENGINE
Possible match (shared part number)Briggs and Stratton Corp
4730-00-789-0614 POSSIBLE MATCH
STRAINER ELEMENT,SEDIMENT
Possible match (shared part number)
3040-01-251-7534 POSSIBLE MATCH
DISC,BRAKE
Possible match (shared part number)
5985-01-307-269926672 POSSIBLE MATCH
COUPLER,DIRECTIONAL
Possible match (shared part number)Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
4320-01-345-5137 POSSIBLE MATCH
MOTOR,HYDRAULIC
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
26672 5/9 Secondary reference
Seagrave Corp the
707256 3/9 Design control — primary reference
Seagrave Corp the
Related Parts
2805-00-466-3917POSSIBLE MATCH
CRANKSHAFT,ENGINE
26672
4730-00-789-0614POSSIBLE MATCH
STRAINER ELEMENT,SEDIMENT
3040-01-251-7534POSSIBLE MATCH
DISC,BRAKE
5985-01-307-2699POSSIBLE MATCH
COUPLER,DIRECTIONAL
26672
4320-01-345-5137POSSIBLE MATCH
MOTOR,HYDRAULIC

Frequently Asked Questions

What is NSN 2805-00-347-4240?

NSN 2805-00-347-4240 is a Ring Set,piston, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.

What NSN replaces 2805-00-347-4240?

5 possible matches (shared part number, not a government interchangeability claim): 2805-00-466-3917, 4730-00-789-0614, 3040-01-251-7534. Verify interchangeability with system specifications before substitution.

What are the specifications of 2805-00-347-4240?

Key specifications for 2805-00-347-4240: FSC Application Data: GASOLINE ENGINE,NONAIRCRAFT; Ring Set Component Parts: COMPRESSION RING,16; Piston Accommodation Quantity: 8; Standard Bore Diameter: 3.500 INCHES IN. 4 specifications are documented in the U.S. Government catalog.

Is NSN 2805-00-347-4240 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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