PartsTable TECHNICAL DATA SHEET

NSN 3040-01-298-8918Government record, cited

Ring, Piston3040-01-298-8918

NSN 3040-01-298-8918 · NIIN 012988918 · Part number TF500A-429(600)

Trelleborg Sealing Solutions Us, Inc. · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 09257

Government record, cited

NSN 3040-01-298-8918 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-298-8918. Manufacturer of record part number: TF500A-429(600).

Also searched as 3040-01-298-8918 · 3040012988918 · NIIN 012988918 · 01-298-8918 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 09257 · TF500A-429(600)

Nearby stock numbers ← 3040-01-298-8828 Worm Shaft · 3040-01-298-8930 Shaft, Straight →

Features

Ring,piston — FSC 3040
FSC Application Data: APPLICABLE TO PACER SPECIAL
1 manufacturer part number on file
Manufacturer of record: Trelleborg Sealing Solutions Us, Inc.

Identification

NSN: 3040-01-298-8918
NIIN: 012988918
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: TF500A-429(600)
Manufacturer: Trelleborg Sealing Solutions Us, Inc.

General Description

The Ring,piston, cataloged under National Stock Number 3040-01-298-8918, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	3040-01-298-8918
Primary Part Number	TF500A-429(600)
Item Name	Ring,piston
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Trelleborg Sealing Solutions Us, Inc.
Status	ACTIVE
FSC Application Data	APPLICABLE TO PACER SPECIAL

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

Part Number	Manufacturer
TF500A-429(600) PRIMARY	Trelleborg Sealing Solutions Us, Inc. (USA)

Reference documents

Reference	Meaning
TF500A-429(600)	5/9 Secondary reference Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo
TF500A-429(600)	5/9 Secondary reference Trelleborg Sealing Solutions Us, Inc. Dba Trelleborg Sealing Solutions Us, Inc

No interchangeability data on file.

Other items in FSC 3040 — Miscellaneous Power Transmission Equipment

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

3040-00-001-0046

3040-00-001-0046 · Item name not on file

3040-00-001-0047

3040-00-001-0047 · Item name not on file

3040-00-001-0048

3040-00-001-0048 · Item name not on file

3040-00-001-0068

3040-00-001-0068 · Item name not on file

3040-00-001-0077

3040-00-001-0077 · Item name not on file

3040-00-001-0078

3040-00-001-0078 · Item name not on file

3040-00-001-0089

3040-00-001-0089 · Item name not on file

3040-00-001-1224

3040-00-001-1224 · Item name not on file

Frequently Asked Questions

What is NSN 3040-01-298-8918?

NSN 3040-01-298-8918 is a Ring,piston, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-298-8918?

NSN 3040-01-298-8918 has 1 manufacturer part number on file: TF500A-429(600) (Trelleborg Sealing Solutions Us, Inc.).

What are the specifications of TF500A-429(600)?

Key specifications for TF500A-429(600): FSC Application Data: APPLICABLE TO PACER SPECIAL. 1 specification is documented in the U.S. Government catalog.

Is NSN 3040-01-298-8918 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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