PartsTable TECHNICAL DATA SHEET

NSN 4320-01-052-2740Government record, cited

Sleeve Assembly, Shaft4320-01-052-2740

NSN 4320-01-052-2740 · NIIN 010522740 · Part number 956696-00

Curtiss-Wright Electro-Mechanical Corporation Div Epd · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 0UBG9

Government record, cited

NSN 4320-01-052-2740 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-052-2740. Manufacturer of record part number: 956696-00.

Also searched as 4320-01-052-2740 · 4320010522740 · NIIN 010522740 · 01-052-2740 · FSC 4320 Power and Hand Pumps · CAGE 0UBG9 · 956696-00 · RY-166400 · 95669600PH

Nearby stock numbers ← 4320-01-052-2734 Ring, Wearing · 4320-01-052-2742 Rotor, Pump →

Features

Sleeve Assembly,shaft — FSC 4320
General Characteristics Item Description: SHAFT SLEEVE 1; SCREWSET,SOCKET HEAD NO. 10-32 X 1/4; O RING 1/8 X 3-3/8 OD X 3-1/8 ID
1 manufacturer part number on file
Manufacturer of record: Curtiss-Wright Electro-Mechanical Corporation Div Epd

Identification

NSN: 4320-01-052-2740
NIIN: 010522740
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 956696-00
Manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Epd

General Description

The Sleeve Assembly,shaft, cataloged under National Stock Number 4320-01-052-2740, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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	4320-01-052-2740
Primary Part Number	956696-00
Item Name	Sleeve Assembly,shaft
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Curtiss-Wright Electro-Mechanical Corporation Div Epd
Status	ACTIVE
General Characteristics Item Description	SHAFT SLEEVE 1; SCREWSET,SOCKET HEAD NO. 10-32 X 1/4; O RING 1/8 X 3-3/8 OD X 3-1/8 ID

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 5

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

4320-01-052-5569956047-00 POSSIBLE MATCH

IMPELLER,PUMP,CENTRIFUGAL

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Epd

4320-01-194-0242966191-00 POSSIBLE MATCH

GLAND ASSEMBLY,PUMP

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Epd

4320-01-548-3108 POSSIBLE MATCH

HEAD ASSEMBLY,PUMP

Possible match (shared part number)

5310-01-719-9196807028-35 POSSIBLE MATCH

NUT,PLAIN,HEXAGON

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Epd

5307-01-720-566818655N18 POSSIBLE MATCH

STUD,PLAIN

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Epd

Cross-Reference Index

Part Number	Manufacturer
956696-00 PRIMARY	Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)

Reference documents

Reference	Meaning
RY-166400	D/9 Drawing number reference only U.S. Government activity
95669600PH	5/9 Secondary reference U.S. Government activity

Related Parts

4320-01-052-5569POSSIBLE MATCH

IMPELLER,PUMP,CENTRIFUGAL

956047-00

4320-01-194-0242POSSIBLE MATCH

GLAND ASSEMBLY,PUMP

966191-00

4320-01-548-3108POSSIBLE MATCH

HEAD ASSEMBLY,PUMP

5310-01-719-9196POSSIBLE MATCH

NUT,PLAIN,HEXAGON

807028-35

5307-01-720-5668POSSIBLE MATCH

STUD,PLAIN

18655N18

Frequently Asked Questions

What is NSN 4320-01-052-2740?

NSN 4320-01-052-2740 is a Sleeve Assembly,shaft, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-052-2740?

NSN 4320-01-052-2740 has 1 manufacturer part number on file: 956696-00 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).

What NSN replaces 4320-01-052-2740?

5 possible matches (shared part number, not a government interchangeability claim): 4320-01-052-5569, 4320-01-194-0242, 4320-01-548-3108. Verify interchangeability with system specifications before substitution.

What are the specifications of 956696-00?

Key specifications for 956696-00: General Characteristics Item Description: SHAFT SLEEVE 1; SCREWSET,SOCKET HEAD NO. 10-32 X 1/4; O RING 1/8 X 3-3/8 OD X 3-1/8 ID. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-052-2740 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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