PartsTable TECHNICAL DATA SHEET
NSN 3040-01-495-1287Government record, cited

Shaft, Shouldered3040-01-495-1287

NSN 3040-01-495-1287 · NIIN 014951287 · Part number 581-698420-60
Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3040-01-495-1287 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-495-1287. Manufacturer of record part number: 581-698420-60.
Also searched as  3040-01-495-1287 · 3040014951287 · NIIN 014951287 · 01-495-1287 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 581-698420-60 · H611-1404 · H611-1404-60 · 581-698420 · 581-6985420-60
Nearby stock numbers  ·
Features
  • Shaft,shouldered — FSC 3040
  • Surface Finish: 63.0 MICROINCHES
  • Step Quantity: 3
  • First End Diameter: 0.3800 INCHES NOMINAL IN
  • Second End Diameter: 0.3730 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN
  • Largest Step Diameter: 0.620 INCHES NOMINAL IN
  • First End Style: PLAIN
  • Material Document and Classification: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES
Identification
  • NSN: 3040-01-495-1287
  • NIIN: 014951287
  • FSC: 3040 — Miscellaneous Power Transmission Equipment
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 581-698420-60
  • Manufacturer: Naval Sea Systems Command
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-495-1287, 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 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-495-1287
Primary Part Number581-698420-60
Item NameShaft,shouldered
FSC / FSG3040 / 30 — Miscellaneous Power Transmission Equipment
ManufacturerNaval Sea Systems Command
StatusACTIVE
Surface Finish63.0 MICROINCHES
Step Quantity3
First End Diameter0.3800 INCHES NOMINAL IN
Second End Diameter0.3730 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN
Largest Step Diameter0.620 INCHES NOMINAL IN
First End StylePLAIN
Material Document and ClassificationQQ-S-763 FED SPEC ALL MATERIAL RESPONSES
End SimilarityIDENTICAL
Second End StylePLAIN
MaterialSTEEL COMP 304
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-495-1308581-6985420-SA1 POSSIBLE MATCH
SHAFT ASSEMBLY,SHOULDERED
Possible match (shared part number)Naval Sea Systems Command
3040-01-495-1672581-6985420-SA2 POSSIBLE MATCH
SHAFT ASSEMBLY,SHOULDERED
Possible match (shared part number)Naval Sea Systems Command
3040-01-495-1719581-6985420-A3 POSSIBLE MATCH
SHAFT ASSEMBLY,SHOULDERED
Possible match (shared part number)Naval Sea Systems Command
3010-01-495-3025581-6985420-68 POSSIBLE MATCH
SPIDER,UNIVERSAL JOINT,NON VEHIC
Possible match (shared part number)Naval Sea Systems Command
3460-01-495-8610581-6985420-4 POSSIBLE MATCH
CHUCK,INDEPENDENT JAW
Possible match (shared part number)Naval Sea Systems Command
3040-01-496-2231581-6985420-9 POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
581-698420-60 PRIMARY Naval Sea Systems Command (USA)
Reference documents
ReferenceMeaning
H611-1404 D/9 Drawing number reference only
U.S. Government activity
H611-1404-60 5/2 Secondary reference
U.S. Government activity
581-698420 D/9 Drawing number reference only
Naval Sea Systems Command
581-6985420-60 C/1 Advisory reference — outside the item-of-supply concept
Naval Sea Systems Command
Related Parts
3040-01-495-1308POSSIBLE MATCH
SHAFT ASSEMBLY,SHOULDERED
581-6985420-SA1
3040-01-495-1672POSSIBLE MATCH
SHAFT ASSEMBLY,SHOULDERED
581-6985420-SA2
3040-01-495-1719POSSIBLE MATCH
SHAFT ASSEMBLY,SHOULDERED
581-6985420-A3
3010-01-495-3025POSSIBLE MATCH
SPIDER,UNIVERSAL JOINT,NON VEHIC
581-6985420-68
3460-01-495-8610POSSIBLE MATCH
CHUCK,INDEPENDENT JAW
581-6985420-4
3040-01-496-2231POSSIBLE MATCH
SHAFT,SHOULDERED
581-6985420-9

Frequently Asked Questions

What is NSN 3040-01-495-1287?

NSN 3040-01-495-1287 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 3040-01-495-1287?

NSN 3040-01-495-1287 has 1 manufacturer part number on file: 581-698420-60 (Naval Sea Systems Command).

What NSN replaces 3040-01-495-1287?

6 possible matches (shared part number, not a government interchangeability claim): 3040-01-495-1308, 3040-01-495-1672, 3040-01-495-1719. Verify interchangeability with system specifications before substitution.

What are the specifications of 581-698420-60?

Key specifications for 581-698420-60: Surface Finish: 63.0 MICROINCHES; Step Quantity: 3; First End Diameter: 0.3800 INCHES NOMINAL IN; Second End Diameter: 0.3730 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-495-1287 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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