Manifold Assembly, Pump4320-01-191-2640

NSN 4320-01-191-2640 · NIIN 011912640

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

Government record, cited

Also searched as 4320-01-191-2640 · 4320011912640 · NIIN 011912640 · 01-191-2640 · FSC 4320 Power and Hand Pumps · 87791-5401ASSY2 · 87791-5401ASSY2 · 87791-5401ASSY2 · 87791-5401 ASSY 2 · 4775904-0002

Nearby stock numbers ← 4320-01-191-2621 Deflector, Dirt and Liquid · 4320-01-191-2641 →

Features

Manifold Assembly,pump — FSC 4320
General Characteristics Item Description: MODIFIER HP-344; 4.620 IN. H; 3.500 IN. W IN

Identification

NSN: 4320-01-191-2640
NIIN: 011912640
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors

General Description

The Manifold Assembly,pump, cataloged under National Stock Number 4320-01-191-2640, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4320-01-191-2640
Item Name	Manifold Assembly,pump
FSC / FSG	4320 / 43 — Power and Hand Pumps
Status	ACTIVE
General Characteristics Item Description	MODIFIER HP-344; 4.620 IN. H; 3.500 IN. W IN

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
87791-5401ASSY2	5/9 Secondary reference C M Industries Inc Dba Custom Marine Sales
87791-5401ASSY2	5/9 Secondary reference U.S. Government activity
87791-5401ASSY2	3/2 Design control — primary reference U.S. Government activity
87791-5401 ASSY 2	D/9 Drawing number reference only U.S. Government activity
4775904-0002	5/9 Secondary reference U.S. Government activity
4775904-A002	5/2 Secondary reference U.S. Government activity
4775904	D/9 Drawing number reference only U.S. Government activity

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 4320-01-191-2640?

NSN 4320-01-191-2640 is a Manifold Assembly,pump, classified under FSC 4320, Power and Hand Pumps. Status: active.

What are the specifications of 4320-01-191-2640?

Key specifications for 4320-01-191-2640: General Characteristics Item Description: MODIFIER HP-344; 4.620 IN. H; 3.500 IN. W IN; End Item Identification: GENERAL DYNAMICS MANIFOLD PUMP DISCHARGE BYPASS RETURN. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-191-2640 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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