NSN 3040-01-484-0940 · NIIN 014840940 · Part number 122-6722635 PC 8
Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3040-01-484-0940 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-484-0940. Manufacturer of record part number: 122-6722635 PC 8.
Also searched as3040-01-484-0940 ·
3040014840940 ·
NIIN 014840940 ·
01-484-0940 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 122-6722635 PC 8 · 122-6818601 PC 85 · 6722635 · 6818601
First End Diameter: 0.9835 INCHES MINIMUM AND 0.9840 INCHES MAXIMUM IN
Second End Diameter: 0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Largest Step Diameter: 1.248 INCHES MINIMUM AND 1.249 INCHES MAXIMUM IN
Second End Distance From Keyway Center to End: 0.687 INCHES NOMINAL IN
First End Style: PLAIN
Identification
NSN: 3040-01-484-0940
NIIN: 014840940
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 122-6722635 PC 8
Manufacturer: Naval Sea Systems Command
General Description
The Shaft,shouldered, cataloged under National Stock Number 3040-01-484-0940, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government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
3040-01-484-0940
Primary Part Number
122-6722635 PC 8
Item Name
Shaft,shouldered
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Surface Finish
125.0 MICROINCHES
Step Quantity
7
First End Diameter
0.9835 INCHES MINIMUM AND 0.9840 INCHES MAXIMUM IN
Second End Diameter
0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Largest Step Diameter
1.248 INCHES MINIMUM AND 1.249 INCHES MAXIMUM IN
Second End Distance From Keyway Center to End
0.687 INCHES NOMINAL IN
First End Style
PLAIN
Second End Keyway Width
0.1250 INCHES NOMINAL IN
Supplementary Features
KEYWAY IN 3RD STEP. CIRCUMFERENTIAL GROOVE SEPARATES 5TH AND 6TH STEPS. KEYWAY EXTENDS THROUGH 6TH STEP INTO 5TH STEP
Material Document and Classification
QQ-S-741 FED SPEC SINGLE MATERIAL RESPONSE
Second End Keyway Depth
0.062 INCHES NOMINAL IN
End Similarity
NOT IDENTICAL
Second End Style
INDENTED FLAT KEYWAY
Material
STEEL
External Keyway Length
0.625 INCHES NOMINAL 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.
3040-01-484-1222122-6722635 PC 43POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Naval Sea Systems Command
3010-01-484-1939122-6722635 PC 20POSSIBLE MATCH
COUPLING,SHAFT,RIGID
Possible match (shared part number)Naval Sea Systems Command
3020-01-484-2032122-6722635 PC 13POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Naval Sea Systems Command
3020-01-484-2526122-6722635 PC 14POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Naval Sea Systems Command
3120-01-484-9428122-6722635 PC 10POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
3010-01-485-42416506-7000POSSIBLE MATCH
COUPLING,FREE WHEEL
Possible match (shared part number)The Hilliard Corp
3010-01-486-5153122-6818601 PC 40POSSIBLE MATCH
CLUTCH HALF,POSITIVE,NONVEHICULA
Possible match (shared part number)Naval Sea Systems Command
3010-01-486-5172122-6818601 PC 41POSSIBLE MATCH
CLUTCH HALF,POSITIVE,NONVEHICULA
Possible match (shared part number)Naval Sea Systems Command
3040-01-488-6016122-6722635 PC 9POSSIBLE MATCH
LEVER,MANUAL CONTROL
Possible match (shared part number)Naval Sea Systems Command
4010-01-503-4942122-6776003 PC 3POSSIBLE MATCH
WIRE ROPE ASSEMBLY,SINGLE LEG
Possible match (shared part number)Naval Sea Systems Command
NSN 3040-01-484-0940 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-484-0940?
NSN 3040-01-484-0940 has 2 manufacturer part numbers on file: 122-6722635 PC 8 (Naval Sea Systems Command), 122-6818601 PC 85 (Naval Sea Systems Command).
What NSN replaces 3040-01-484-0940?
10 possible matches (shared part number, not a government interchangeability claim): 3040-01-484-1222, 3010-01-484-1939, 3020-01-484-2032. Verify interchangeability with system specifications before substitution.
What are the specifications of 122-6722635 PC 8?
Key specifications for 122-6722635 PC 8: Surface Finish: 125.0 MICROINCHES; Step Quantity: 7; First End Diameter: 0.9835 INCHES MINIMUM AND 0.9840 INCHES MAXIMUM IN; Second End Diameter: 0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN. 15 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-484-0940 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.