PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

912021Vane Set,rotary

Name: 912021
SKU: 4320-00-374-9845

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-374-9845 · FSC 4320 · No Item Name Available

Verified by PartsTable

NSN 4320-00-374-9845 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-374-9845. Primary manufacturer part number: 912021.

4320-00-374-9845 — No Item Name Available illustration

Features

Vane Set,rotary — FSC 4320
Component Quantity: 12
4 verified cross-references
Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South

Applications

Hydraulic and pneumatic systems
Industrial process pumping
Military vehicle hydraulics

General Description

The Vane Set,rotary, cataloged under National Stock Number 4320-00-374-9845, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications

Parameter	Value
NSN	4320-00-374-9845
Primary Part Number	912021
Item Name	Vane Set,rotary
FSC / FSG	4320 / 43 — No Item Name Available
Manufacturer	Eaton Aerospace, Llc Dba Jackson South
Status	CANCELLED
Component Quantity	12

Lifecycle & Compliance

Acquisition Status	CANCELLED
HAZMAT	No

⇄ Verified Substitutes 9

5999-00-035-798021-326 INTERCHANGEABLE

Contact,electrical

Eaton Corp Opns & Technical Center

3110-00-230-852110159042-2 INTERCHANGEABLE

Bearing,roller,needle

Timken Aerospace, Inc Dba Torrington Product

9540-00-540-594110133-0701 INTERCHANGEABLE

Angle,structural

Transtar Metals Corp

5950-00-824-0739VT2 INTERCHANGEABLE

Transformer,power

Ohmite Holding, L.l.c. Dba Ohmite Manufacturing

5840-01-098-838721326 INTERCHANGEABLE

Sub Panel Assembly

Smiths Aerospace, Inc., Electronic Systems-Grand Rapids

3010-01-191-782721326 INTERCHANGEABLE

Insert,flexible Coupling

Moog Inc. Dba Ampac-Isp Corp

4820-01-417-190721326-001 INTERCHANGEABLE

Valve,linear,directional Control

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

5836-01-445-912791-2021 INTERCHANGEABLE

Cleaner,recorder Head

Photo-Sonics, Inc. Dba Photo-Sonics Inc Div Photo-Sonics

5998-01-528-5857B-2010 INTERCHANGEABLE

Circuit Card Assembly

L3 Technologies, Inc.

Cross-Reference Index

Part Number	Manufacturer
912021 PRIMARY	Eaton Aerospace, Llc Dba Jackson South (USA)
B-2010	Eaton Aerospace, Llc Dba Jackson South (USA)
21326	Klauer Manufacturing Company (USA)
E821560 PIECE 7	Eaton Aerospace, Llc Dba Jackson South (USA)

Related Parts

5999-00-035-7980INTERCHANGEABLE

CONTACT,ELECTRICAL

21-326

3110-00-230-8521INTERCHANGEABLE

BEARING,ROLLER,NEEDLE

10159042-2

9540-00-540-5941INTERCHANGEABLE

ANGLE,STRUCTURAL

10133-0701

5950-00-824-0739INTERCHANGEABLE

TRANSFORMER,POWER

VT2

5840-01-098-8387INTERCHANGEABLE

SUB PANEL ASSEMBLY

21326

3010-01-191-7827INTERCHANGEABLE

INSERT,FLEXIBLE COUPLING

21326

4820-01-417-1907INTERCHANGEABLE

VALVE,LINEAR,DIRECTIONAL CONTROL

21326-001

5836-01-445-9127INTERCHANGEABLE

CLEANER,RECORDER HEAD

91-2021

5998-01-528-5857INTERCHANGEABLE

CIRCUIT CARD ASSEMBLY

B-2010

Frequently Asked Questions

What is NSN 4320-00-374-9845?

NSN 4320-00-374-9845 is a Vane Set,rotary, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-00-374-9845?

NSN 4320-00-374-9845 has 4 cross-referenced part numbers: 912021 (Eaton Aerospace, Llc Dba Jackson South), B-2010 (Eaton Aerospace, Llc Dba Jackson South), 21326 (Klauer Manufacturing Company), E821560 PIECE 7 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4320-00-374-9845?

There are 9 known substitutes for 4320-00-374-9845: 5999-00-035-7980, 3110-00-230-8521, 9540-00-540-5941 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 912021?

Key specifications for 912021: Component Quantity: 12. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-00-374-9845 still in active supply?

NSN 4320-00-374-9845 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.

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