Piston Assy, Unl4310-01-197-0263

NSN 4310-01-197-0263 · NIIN 011970263 · Part number PST100A

Hartford Compressors Inc · FSC 4310 — Compressors and Vacuum Pumps · FSG 43 — Pumps and Compressors · CAGE 10119

Government record, cited

NSN 4310-01-197-0263 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-197-0263. Manufacturer of record part number: PST100A.

Also searched as 4310-01-197-0263 · 4310011970263 · NIIN 011970263 · 01-197-0263 · FSC 4310 Compressors and Vacuum Pumps · CAGE 10119 · PST100A

Nearby stock numbers ← 4310-01-197-0240 Piston · 4310-01-197-0420 Ring, Piston →

Features

Piston Assy,unl — FSC 4310
1 manufacturer part number on file
Manufacturer of record: Hartford Compressors Inc

Identification

NSN: 4310-01-197-0263
NIIN: 011970263
FSC: 4310 — Compressors and Vacuum Pumps
FSG: 43 — Pumps and Compressors
Primary part number: PST100A
Manufacturer: Hartford Compressors Inc

General Description

The Piston Assy,unl, cataloged under National Stock Number 4310-01-197-0263, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Hartford Compressors Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Piston Assy,unl
FSC / FSG	4310 — Compressors and Vacuum Pumps (FSG 43)
Manufacturers	Hartford Compressors Inc (CAGE 10119)

Technical Specifications

Parameter	Value
NSN	4310-01-197-0263
Primary Part Number	PST100A
Item Name	Piston Assy,unl
FSC / FSG	4310 / 43 — Compressors and Vacuum Pumps
Manufacturer	Hartford Compressors Inc
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
PST100A PRIMARY	Hartford Compressors Inc (USA)

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 4310-01-197-0263?

NSN 4310-01-197-0263 is a Piston Assy,unl, manufactured by Hartford Compressors Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.

What part numbers are listed for NSN 4310-01-197-0263?

NSN 4310-01-197-0263 has 1 manufacturer part number on file: PST100A (Hartford Compressors Inc).

Is NSN 4310-01-197-0263 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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