Piston, Pump4320-01-261-0657

NSN 4320-01-261-0657 · NIIN 012610657 · Part number 1128AS130

Columbus Jack Corporation Div Columbus Jack · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 00994

Government record, cited

NSN 4320-01-261-0657 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-261-0657. Manufacturer of record part number: 1128AS130.

Also searched as 4320-01-261-0657 · 4320012610657 · NIIN 012610657 · 01-261-0657 · FSC 4320 Power and Hand Pumps · CAGE 00994 · 1128AS130

Nearby stock numbers ← 4320-01-261-0636 Ram, Hydraulic · 4320-01-261-0658 Piston, Pump →

Features

Piston,pump — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Columbus Jack Corporation Div Columbus Jack

Identification

NSN: 4320-01-261-0657
NIIN: 012610657
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 1128AS130
Manufacturer: Columbus Jack Corporation Div Columbus Jack

General Description

The Piston,pump, cataloged under National Stock Number 4320-01-261-0657, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Columbus Jack Corporation Div Columbus Jack. 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,pump
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	Columbus Jack Corporation Div Columbus Jack (CAGE 00994)

Technical Specifications

Parameter	Value
NSN	4320-01-261-0657
Primary Part Number	1128AS130
Item Name	Piston,pump
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Columbus Jack Corporation Div Columbus Jack
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
1128AS130 PRIMARY	Columbus Jack Corporation Div Columbus Jack (USA)

No interchangeability data on file.

Other items in FSC 4320 — Power and Hand Pumps

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

4320-00-001-1633

4320-00-001-1633 · Item name not on file

4320-00-001-2628

RETAINER AND PIN

4320-00-001-2629

HOUSING AND PIN

4320-00-001-2630

PUMP,CENTRIFUGAL

4320-00-001-2631

4320-00-001-2631 · Item name not on file

4320-00-001-2632

4320-00-001-2632 · Item name not on file

4320-00-001-3377

4320-00-001-3377 · Item name not on file

4320-00-001-3384

4320-00-001-3384 · Item name not on file

Frequently Asked Questions

What is NSN 4320-01-261-0657?

NSN 4320-01-261-0657 is a Piston,pump, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-261-0657?

NSN 4320-01-261-0657 has 1 manufacturer part number on file: 1128AS130 (Columbus Jack Corporation Div Columbus Jack).

Is NSN 4320-01-261-0657 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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