PartsTable TECHNICAL DATA SHEET

NSN 4320-01-326-7366Government record, cited

Fluid End Assy4320-01-326-7366

NSN 4320-01-326-7366 · NIIN 013267366 · Part number 505-151312-030

National Oilwell · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 11836

Government record, cited

NSN 4320-01-326-7366 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-326-7366. Manufacturer of record part number: 505-151312-030.

Also searched as 4320-01-326-7366 · 4320013267366 · NIIN 013267366 · 01-326-7366 · FSC 4320 Power and Hand Pumps · CAGE 11836 · 505-151312-030 · 2-27594

Nearby stock numbers ← 4320-01-326-7351 Compensator, Pump · 4320-01-326-7546 Seal Assembly, Shaft, Spring Loade →

Features

Fluid End Assy — FSC 4320
1 manufacturer part number on file
Manufacturer of record: National Oilwell

Identification

NSN: 4320-01-326-7366
NIIN: 013267366
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 505-151312-030
Manufacturer: National Oilwell

General Description

The Fluid End Assy, cataloged under National Stock Number 4320-01-326-7366, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is National Oilwell. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-326-7366
Primary Part Number	505-151312-030
Item Name	Fluid End Assy
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	National Oilwell
Status	ACTIVE

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

Part Number	Manufacturer
505-151312-030 PRIMARY	National Oilwell (USA)

Reference documents

Reference	Meaning
2-27594	D/9 Drawing number reference only National Oilwell

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 4320-01-326-7366?

NSN 4320-01-326-7366 is a Fluid End Assy, manufactured by National Oilwell, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-326-7366?

NSN 4320-01-326-7366 has 1 manufacturer part number on file: 505-151312-030 (National Oilwell).

What are the specifications of 505-151312-030?

Key specifications for 505-151312-030: End Item Identification: 4610012342196. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-326-7366 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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