PartsTable TECHNICAL DATA SHEET

NSN 4310-01-199-6445Government record, cited

Piston, Compressor4310-01-199-6445

NSN 4310-01-199-6445 · NIIN 011996445 · Part number 5N8373

Caterpillar Inc Div Caterpillar Defense · FSC 4310 — Compressors and Vacuum Pumps · FSG 43 — Pumps and Compressors · CAGE 11083

Government record, cited

NSN 4310-01-199-6445 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-199-6445. Manufacturer of record part number: 5N8373.

Also searched as 4310-01-199-6445 · 4310011996445 · NIIN 011996445 · 01-199-6445 · FSC 4310 Compressors and Vacuum Pumps · CAGE 11083 · 5N8373 · SS800-K703 · SS800-K703

Nearby stock numbers ← 4310-01-199-6381 · 4310-01-199-6448 Vacuum Pump, Reciprocating →

Features

Piston,compressor — FSC 4310
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 4310-01-199-6445
NIIN: 011996445
FSC: 4310 — Compressors and Vacuum Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 5N8373
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Piston,compressor, cataloged under National Stock Number 4310-01-199-6445, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Piston,compressor
FSC / FSG	4310 — Compressors and Vacuum Pumps (FSG 43)
Manufacturers	Caterpillar Inc Div Caterpillar Defense (CAGE 11083)

Technical Specifications

Parameter	Value
NSN	4310-01-199-6445
Primary Part Number	5N8373
Item Name	Piston,compressor
FSC / FSG	4310 / 43 — Compressors and Vacuum Pumps
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
5N8373	Caterpillar Inc Div Caterpillar Defense (USA)

Reference documents

Reference	Meaning
SS800-K703	C/1 Advisory reference — outside the item-of-supply concept Ingersoll-Rand Co Power Tool Div
SS800-K703	3/9 Design control — primary reference Ingersoll-Rand Co Tool Group Headquarters

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 4310-01-199-6445?

NSN 4310-01-199-6445 is a Piston,compressor, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.

What part numbers are listed for NSN 4310-01-199-6445?

NSN 4310-01-199-6445 has 1 manufacturer part number on file: 5N8373 (Caterpillar Inc Div Caterpillar Defense).

Is NSN 4310-01-199-6445 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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