Cover, Hydraulic, Pump-Motor4320-01-178-6650

NSN 4320-01-178-6650 · NIIN 011786650 · Part number B-21011-30104

Tcm America, Inc Sc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 61888

Government record, cited

NSN 4320-01-178-6650 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-178-6650. Manufacturer of record part number: B-21011-30104.

Also searched as 4320-01-178-6650 · 4320011786650 · NIIN 011786650 · 01-178-6650 · FSC 4320 Power and Hand Pumps · CAGE 61888 · B-21011-30104

Nearby stock numbers ← 4320-01-178-6645 Ejector Assembly, Air · 4320-01-178-6669 →

Features

Cover,hydraulic,pump-Motor — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Tcm America, Inc Sc

Identification

NSN: 4320-01-178-6650
NIIN: 011786650
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: B-21011-30104
Manufacturer: Tcm America, Inc Sc

General Description

The Cover,hydraulic,pump-Motor, cataloged under National Stock Number 4320-01-178-6650, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Tcm America, Inc Sc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-178-6650
Primary Part Number	B-21011-30104
Item Name	Cover,hydraulic,pump-Motor
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Tcm America, Inc Sc
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
B-21011-30104 PRIMARY	Tcm America, Inc Sc (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 4320-01-178-6650?

NSN 4320-01-178-6650 is a Cover,hydraulic,pump-Motor, manufactured by Tcm America, Inc Sc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-178-6650?

NSN 4320-01-178-6650 has 1 manufacturer part number on file: B-21011-30104 (Tcm America, Inc Sc).

What are the specifications of B-21011-30104?

Key specifications for B-21011-30104: Special Features: TWO MOUNTING HOLES ON THE BOTTOM,THREE HOLES FOR THE STUDS. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-178-6650 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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