Pump Subassembly, Rotary4320-01-555-6370

NSN 4320-01-555-6370 · NIIN 015556370 · Part number 638-81-00

Flygt Corp Sub of Itt Corp · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 26768

Government record, cited

NSN 4320-01-555-6370 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-555-6370. Manufacturer of record part number: 638-81-00.

Also searched as 4320-01-555-6370 · 4320015556370 · NIIN 015556370 · 01-555-6370 · FSC 4320 Power and Hand Pumps · CAGE 26768 · 638-81-00 · 893339/10 TECH MANUAL IT 66

Nearby stock numbers ← 4320-01-555-6268 Pump Unit, Reciprocating · 4320-01-555-6436 Parts Kit, Rotary Pump →

Features

Pump Subassembly,rotary — FSC 4320
3 manufacturer part numbers on file
Manufacturer of record: Flygt Corp Sub of Itt Corp

Identification

NSN: 4320-01-555-6370
NIIN: 015556370
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 638-81-00
Manufacturer: Flygt Corp Sub of Itt Corp

General Description

The Pump Subassembly,rotary, cataloged under National Stock Number 4320-01-555-6370, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Flygt Corp Sub of Itt Corp. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-555-6370
Primary Part Number	638-81-00
Item Name	Pump Subassembly,rotary
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Flygt Corp Sub of Itt Corp
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
638-81-00 PRIMARY	Flygt Corp Sub of Itt Corp (USA)
893339/10 TECH MANUAL IT 66	Flygt Corp Sub of Itt Corp (USA)
638-81-00	Xylem Water Solutions France SAS (FRA)

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 4320-01-555-6370?

NSN 4320-01-555-6370 is a Pump Subassembly,rotary, manufactured by Flygt Corp Sub of Itt Corp, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-555-6370?

NSN 4320-01-555-6370 has 3 manufacturer part numbers on file: 638-81-00 (Flygt Corp Sub of Itt Corp), 893339/10 TECH MANUAL IT 66 (Flygt Corp Sub of Itt Corp), 638-81-00 (Xylem Water Solutions France SAS).

What are the specifications of 638-81-00?

Key specifications for 638-81-00: Special Features: PUMP,SBMRBL W/ GRNDR. TYPE-SUBMERSIBLE. POWER RATING-2.7HP. VOLTAGE-460 VAC. FREQUENCY-60 HZ. PHASE-3. AMPS-3.7. SPEED-3315 RPM. DISCHARGE-1.5 IN BSPT FEMALE THREAD. VAC; Part Name Assigned by Controlling Agency: CUTTER WHEEL; End Item Identification: 3068.170HT W/IMPELLER 218. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-555-6370 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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