PartsTable TECHNICAL DATA SHEET

NSN 4320-01-341-7588Government record, cited

Ring, Wearing4320-01-341-7588

NSN 4320-01-341-7588 · NIIN 013417588

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

Government record, cited

Also searched as 4320-01-341-7588 · 4320013417588 · NIIN 013417588 · 01-341-7588 · FSC 4320 Power and Hand Pumps · CA-6241 PIECE 15 · CA-6241

Nearby stock numbers ← 4320-01-341-7296 Cylinder Sleeve · 4320-01-341-7589 Ring, Wearing →

Features

Ring,wearing — FSC 4320
Material: COPPER ALLOY

Identification

NSN: 4320-01-341-7588
NIIN: 013417588
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors

General Description

The Ring,wearing, cataloged under National Stock Number 4320-01-341-7588, 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1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-341-7588
Item Name	Ring,wearing
FSC / FSG	4320 / 43 — Power and Hand Pumps
Status	ACTIVE
Material	COPPER ALLOY

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

⇄ Related Items 3

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4320-01-341-7589CA-6241 PIECE 17 POSSIBLE MATCH

RING,WEARING

Possible match (shared part number)Air & Liquid Systems Corporation Dba Buffalo Pumps

4320-01-341-7970CA-6241 PIECE 64 POSSIBLE MATCH

SUPPORTING DISC,SHAFT COUPLING

Possible match (shared part number)Air & Liquid Systems Corporation Dba Buffalo Pumps

4320-01-341-7971CA-6241 PIECE 65 POSSIBLE MATCH

PLATE SUPPORTING,SHAFT COUPLING

Possible match (shared part number)Air & Liquid Systems Corporation Dba Buffalo Pumps

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
CA-6241 PIECE 15	3/2 Design control — primary reference U.S. Government activity
CA-6241	D/9 Drawing number reference only U.S. Government activity

Related Parts

4320-01-341-7589POSSIBLE MATCH

RING,WEARING

CA-6241 PIECE 17

4320-01-341-7970POSSIBLE MATCH

SUPPORTING DISC,SHAFT COUPLING

CA-6241 PIECE 64

4320-01-341-7971POSSIBLE MATCH

PLATE SUPPORTING,SHAFT COUPLING

CA-6241 PIECE 65

Frequently Asked Questions

What is NSN 4320-01-341-7588?

NSN 4320-01-341-7588 is a Ring,wearing, classified under FSC 4320, Power and Hand Pumps. Status: active.

What NSN replaces 4320-01-341-7588?

3 possible matches (shared part number, not a government interchangeability claim): 4320-01-341-7589, 4320-01-341-7970, 4320-01-341-7971. Verify interchangeability with system specifications before substitution.

What are the specifications of 4320-01-341-7588?

Key specifications for 4320-01-341-7588: End Item Identification: BUFFLO PUMPS MAIN FEED BOOSTER PUMP; Material: COPPER ALLOY. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-341-7588 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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