NSN 3040-01-377-2856 · NIIN 013772856 · Part number 5361663 ITEM 55
Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3040-01-377-2856 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-377-2856. Manufacturer of record part number: 5361663 ITEM 55.
Also searched as3040-01-377-2856 ·
3040013772856 ·
NIIN 013772856 ·
01-377-2856 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 5361663 ITEM 55 · 5361663
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 5361663 ITEM 55
Manufacturer: Naval Sea Systems Command
General Description
The Axle,straight, cataloged under National Stock Number 3040-01-377-2856, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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
3040-01-377-2856
Primary Part Number
5361663 ITEM 55
Item Name
Axle,straight
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Surface Finish
63.0 MICROINCHES
First End Diameter
1.2500 INCHES MAXIMUM IN
First End Flat Depth
0.2500 INCHES MAXIMUM IN
First End Style
FLATTED
End Similarity
IDENTICAL
First End Flat Length
0.7500 INCHES NOMINAL IN
Material
NICKEL ALLOY K-500
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 Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-377-28585361663 ITEM 49POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Naval Sea Systems Command
3040-01-377-28615361663 ITEM 121POSSIBLE MATCH
CAM,CONTROL
Possible match (shared part number)Naval Sea Systems Command
3040-01-377-28635361663 ITEM 187POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Naval Sea Systems Command
3040-01-377-28745361663 ITEM 31POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Naval Sea Systems Command
3040-01-377-29255361663 ITEM 186POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Naval Sea Systems Command
2040-01-378-44285361663 ITEM 177POSSIBLE MATCH
DOOR
Possible match (shared part number)Naval Sea Systems Command
2040-01-378-44795361663 ITEM 178POSSIBLE MATCH
DOOR
Possible match (shared part number)Naval Sea Systems Command
2040-01-378-45035361663 ITEM 179POSSIBLE MATCH
DOOR
Possible match (shared part number)Naval Sea Systems Command
2040-01-378-45395361663 ITEM 180POSSIBLE MATCH
DOOR
Possible match (shared part number)Naval Sea Systems Command
NSN 3040-01-377-2856 is a Axle,straight, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-377-2856?
NSN 3040-01-377-2856 has 1 manufacturer part number on file: 5361663 ITEM 55 (Naval Sea Systems Command).
What NSN replaces 3040-01-377-2856?
9 possible matches (shared part number, not a government interchangeability claim): 3040-01-377-2858, 3040-01-377-2861, 3040-01-377-2863. Verify interchangeability with system specifications before substitution.
What are the specifications of 5361663 ITEM 55?
Key specifications for 5361663 ITEM 55: Surface Finish: 63.0 MICROINCHES; First End Diameter: 1.2500 INCHES MAXIMUM IN; First End Flat Depth: 0.2500 INCHES MAXIMUM IN; First End Style: FLATTED. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-377-2856 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.