Connecting Rod, Piston4320-01-320-6221

NSN 4320-01-320-6221 · NIIN 013206221

FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors

Government record, cited

Also searched as 4320-01-320-6221 · 4320013206221 · NIIN 013206221 · 01-320-6221 · FSC 4320 Power and Hand Pumps · B1025DQ · B1025D

Nearby stock numbers ← 4320-01-320-6092 Pump Subassembly, Rotary · 4320-01-320-6332 Pump, Centrifugal →

Features

Connecting Rod,piston — FSC 4320
Cross-Sectional Shape Style: ROUND TYPE
Material: STEEL

Identification

NSN: 4320-01-320-6221
NIIN: 013206221
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors

General Description

The Connecting Rod,piston, cataloged under National Stock Number 4320-01-320-6221, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4320-01-320-6221
Item Name	Connecting Rod,piston
FSC / FSG	4320 / 43 — Power and Hand Pumps
Status	ACTIVE
Cross-Sectional Shape Style	ROUND TYPE
Material	STEEL

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
B1025DQ	3/9 Design control — primary reference Robbins and Myers Inc
B1025D	5/9 Secondary reference Robbins and Myers Inc

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 4320-01-320-6221?

NSN 4320-01-320-6221 is a Connecting Rod,piston, classified under FSC 4320, Power and Hand Pumps. Status: active.

What are the specifications of 4320-01-320-6221?

Key specifications for 4320-01-320-6221: Cross-Sectional Shape Style: ROUND TYPE; End Item Identification: PUMP RTY PWR; Material: STEEL. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-320-6221 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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