PartsTable TECHNICAL DATA SHEET

NSN 4310-01-261-4136Government record, cited

Ring, Piston4310-01-261-4136

NSN 4310-01-261-4136 · NIIN 012614136 · Part number 18-C1603-4.5-C

Rix Industries · FSC 4310 — Compressors and Vacuum Pumps · FSG 43 — Pumps and Compressors · CAGE 28953

Government record, cited

NSN 4310-01-261-4136 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-261-4136. Manufacturer of record part number: 18-C1603-4.5-C.

Also searched as 4310-01-261-4136 · 4310012614136 · NIIN 012614136 · 01-261-4136 · FSC 4310 Compressors and Vacuum Pumps · CAGE 28953 · 18-C1603-4.5-C · 18-C1603-4.4-C

Nearby stock numbers ← 4310-01-261-4135 Ring, Piston · 4310-01-261-4175 Pneumatic Muffler, Exhaust-Intake →

Features

Ring,piston — FSC 4310
Radial Wall Thickness: 0.2812 INCHES NOMINAL IN
Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
1 manufacturer part number on file
Manufacturer of record: Rix Industries

Identification

NSN: 4310-01-261-4136
NIIN: 012614136
FSC: 4310 — Compressors and Vacuum Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 18-C1603-4.5-C
Manufacturer: Rix Industries

General Description

The Ring,piston, cataloged under National Stock Number 4310-01-261-4136, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Rix Industries. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4310-01-261-4136
Primary Part Number	18-C1603-4.5-C
Item Name	Ring,piston
FSC / FSG	4310 / 43 — Compressors and Vacuum Pumps
Manufacturer	Rix Industries
Status	ACTIVE
Radial Wall Thickness	0.2812 INCHES NOMINAL IN
Material	PLASTIC POLYTETRAFLUOROETHYLENE 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

Part Number	Manufacturer
18-C1603-4.5-C PRIMARY	Rix Industries (USA)

Reference documents

Reference	Meaning
18-C1603-4.4-C	5/9 Secondary reference Rix Industries

No interchangeability data on file.

Other items in FSC 4310 — Compressors and Vacuum Pumps

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

4310-00-000-0050

COMPRESSOR UNIT,RECIPROCATING

4310-00-001-0059

4310-00-001-0059 · Item name not on file

4310-00-001-2044

MOUNTING PAD,TANK,PRESSURE

4310-00-001-3477

PARTS KIT,VACUUM PUMP

4310-00-001-3493

VACUUM PUMP,ROTARY

4310-00-001-6194

4310-00-001-6194 · Item name not on file

4310-00-001-6381

4310-00-001-6381 · Item name not on file

4310-00-001-7755

PARTS KIT,VACUUM PUMP

Frequently Asked Questions

What is NSN 4310-01-261-4136?

NSN 4310-01-261-4136 is a Ring,piston, manufactured by Rix Industries, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.

What part numbers are listed for NSN 4310-01-261-4136?

NSN 4310-01-261-4136 has 1 manufacturer part number on file: 18-C1603-4.5-C (Rix Industries).

What are the specifications of 18-C1603-4.5-C?

Key specifications for 18-C1603-4.5-C: Radial Wall Thickness: 0.2812 INCHES NOMINAL IN; Special Features: CARBON-FILLED; End Item Identification: RIX INDUSTRIES MODEL SA-6 COMPRESSOR; Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4310-01-261-4136 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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