NSN 3040-00-321-8730 · NIIN 003218730 · Part number 4369421
Agco Corp Parts Opn · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 6N299
Government record, cited
NSN 3040-00-321-8730 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-321-8730. Manufacturer of record part number: 4369421.
Also searched as3040-00-321-8730 ·
3040003218730 ·
NIIN 003218730 ·
00-321-8730 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 6N299 · 4369421 · 10215 · 102-16
FSC Application Data: PUMP,FUEL INJECTION,ENGINE,EXCEPT AIRCRAFT AND GUIDED MISSILE PRIME MOVING
First End Tongue Thickness: 0.3095 INCHES MINIMUM AND 0.3105 INCHES MAXIMUM IN
Step Quantity: 6
First End Diameter: 0.8060 INCHES MINIMUM AND 0.8070 INCHES MAXIMUM IN
First End Tongue Width: 0.806 INCHES MINIMUM AND 0.807 INCHES MAXIMUM IN
First End Step Length: 0.312 INCHES NOMINAL IN
Identification
NSN: 3040-00-321-8730
NIIN: 003218730
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 4369421
Manufacturer: Agco Corp Parts Opn
General Description
The Shaft,shouldered, cataloged under National Stock Number 3040-00-321-8730, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Agco Corp Parts Opn. Government technical data includes 18 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government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
3040-00-321-8730
Primary Part Number
4369421
Item Name
Shaft,shouldered
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Agco Corp Parts Opn
Status
ACTIVE
Surface Finish
32.0 MICROINCHES
FSC Application Data
PUMP,FUEL INJECTION,ENGINE,EXCEPT AIRCRAFT AND GUIDED MISSILE PRIME MOVING
First End Tongue Thickness
0.3095 INCHES MINIMUM AND 0.3105 INCHES MAXIMUM IN
Step Quantity
6
First End Diameter
0.8060 INCHES MINIMUM AND 0.8070 INCHES MAXIMUM IN
First End Tongue Width
0.806 INCHES MINIMUM AND 0.807 INCHES MAXIMUM IN
First End Step Length
0.312 INCHES NOMINAL IN
Second End Diameter
0.6855 INCHES MINIMUM AND 0.6860 INCHES MAXIMUM IN
Largest Step Diameter
0.807 INCHES NOMINAL IN
First End Style
TONGUE
Second End Keyway Width
0.1250 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
Material Document and Classification
QQ-S-624,FS3135 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE
Second End Keyway Depth
0.064 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN
End Similarity
NOT IDENTICAL
Second End Style
FLAT KEYWAYS AND INTERNALLY THREADED
Material
STEEL OR STEEL COMP 3140 OR STEEL COMP 8740
Second End Internal Thread Length
0.625 INCHES NOMINAL IN
External Keyway Length
1.635 INCHES MINIMUM AND 1.650 INCHES MAXIMUM SECOND END 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
⇄Related Items10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5960-00-503-0282POSSIBLE MATCH
RETAINER,ELECTRON TUBE
Possible match (shared part number)
5965-00-815-2525SM-B-436222POSSIBLE MATCH
CUSHION,EAR
Possible match (shared part number)Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-943-9140151-107-0001POSSIBLE MATCH
TRANSFORMER,PULSE
Possible match (shared part number)Northrop Grumman Systems Corporation
2840-01-200-536310302POSSIBLE MATCH
SEAL,METALLIC,AIRCRAFT GAS TURBI
Possible match (shared part number)Eaton Corporation Div Fed
5307-01-269-750310215POSSIBLE MATCH
STUD,CONTINUOUS THREAD
Possible match (shared part number)The Aeronautical Instrument and Radio Company Dba the Aeronautical Instrument and Radio Company Div the Aeronautical Instrument and
3130-01-274-442310215POSSIBLE MATCH
CAP,PILLOW BLOCK
Possible match (shared part number)Lake Shore Systems, Inc.
6505-01-569-5459POSSIBLE MATCH
DALTEPARIN SODIUM INJECTION
Possible match (shared part number)
5315-01-602-714410-215POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
Possible match (shared part number)Konrad Marine Inc Div Konrad Marine
5310-01-657-6469A32011-24POSSIBLE MATCH
NUT,PLAIN,HEXAGON
Possible match (shared part number)The Boeing Company Div Defense
6850-01-696-317110215POSSIBLE MATCH
CLEANING COMPOUND,SOLVENT
Possible match (shared part number)Dewey, J Manufacturing Company Inc
NSN 3040-00-321-8730 is a Shaft,shouldered, manufactured by Agco Corp Parts Opn, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-00-321-8730?
NSN 3040-00-321-8730 has 1 manufacturer part number on file: 4369421 (Agco Corp Parts Opn).
What NSN replaces 3040-00-321-8730?
10 possible matches (shared part number, not a government interchangeability claim): 5960-00-503-0282, 5965-00-815-2525, 5950-00-943-9140. Verify interchangeability with system specifications before substitution.
What are the specifications of 4369421?
Key specifications for 4369421: Surface Finish: 32.0 MICROINCHES; FSC Application Data: PUMP,FUEL INJECTION,ENGINE,EXCEPT AIRCRAFT AND GUIDED MISSILE PRIME MOVING; First End Tongue Thickness: 0.3095 INCHES MINIMUM AND 0.3105 INCHES MAXIMUM IN; Step Quantity: 6. 18 specifications are documented in the U.S. Government catalog.
Is NSN 3040-00-321-8730 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.