Piston, Check Valve4310-01-220-0047

NSN 4310-01-220-0047 · NIIN 012200047

FSC 4310 — Compressors and Vacuum Pumps · FSG 43 — Pumps and Compressors

Government record, cited

Also searched as 4310-01-220-0047 · 4310012200047 · NIIN 012200047 · 01-220-0047 · FSC 4310 Compressors and Vacuum Pumps · 2688835 · 2688835

Nearby stock numbers ← 4310-01-220-0046 Valve, Compressor · 4310-01-220-0089 Cylinder, Reciprocating Compresso →

Features

Piston,check Valve — FSC 4310
General Characteristics Item Description: POLYTETRAFLUOROETHYLENE; 1.968 IN. O/A LG; FIRST END: BEVEL END,1,124 IN. DIA,0.312 IN. DIA STEM OUTLET OPENNING; SECOND END: 1.500 IN. FLANGE OD,1.078 IN. ID,0.562 IN. FLANGE LG IN

Identification

NSN: 4310-01-220-0047
NIIN: 012200047
FSC: 4310 — Compressors and Vacuum Pumps
FSG: 43 — Pumps and Compressors

General Description

The Piston,check Valve, cataloged under National Stock Number 4310-01-220-0047, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4310-01-220-0047
Item Name	Piston,check Valve
FSC / FSG	4310 / 43 — Compressors and Vacuum Pumps
Status	ACTIVE
General Characteristics Item Description	POLYTETRAFLUOROETHYLENE; 1.968 IN. O/A LG; FIRST END: BEVEL END,1,124 IN. DIA,0.312 IN. DIA STEM OUTLET OPENNING; SECOND END: 1.500 IN. FLANGE OD,1.078 IN. ID,0.562 IN. FLANGE LG IN

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
2688835	3/9 Design control — primary reference Trw Inc Trw Mission Drillling Products Div
2688835	D/9 Drawing number reference only Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier

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 4310-01-220-0047?

NSN 4310-01-220-0047 is a Piston,check Valve, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.

What are the specifications of 4310-01-220-0047?

Key specifications for 4310-01-220-0047: General Characteristics Item Description: POLYTETRAFLUOROETHYLENE; 1.968 IN. O/A LG; FIRST END: BEVEL END,1,124 IN. DIA,0.312 IN. DIA STEM OUTLET OPENNING; SECOND END: 1.500 IN. FLANGE OD,1.078 IN. ID,0.562 IN. FLANGE LG IN; End Item Identification: TRW INC MODEL 2690339 AND DL2690339. 1 specification is documented in the U.S. Government catalog.

Is NSN 4310-01-220-0047 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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