NSN 3040-01-497-8525 · NIIN 014978525 · Part number 167-7066792-21
Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3040-01-497-8525 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-497-8525. Manufacturer of record part number: 167-7066792-21.
Also searched as3040-01-497-8525 ·
3040014978525 ·
NIIN 014978525 ·
01-497-8525 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 167-7066792-21 · 167-7066792 · H547-1117-21
First End Diameter: 0.4970 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN
First End Slot Width: 0.125 INCHES NOMINAL IN
First End Style: SLOTTED AND INTERNALLY THREADED
First End Internal Thread Length: 0.310 INCHES MINIMUM IN
Material Document and Classification: QQ-B-750,CHPSN-A,TEM-HARD FED STD ALL MATERIAL RESPONSES
End Similarity: IDENTICAL
First End Slot Depth: 0.380 INCHES NOMINAL IN
Identification
NSN: 3040-01-497-8525
NIIN: 014978525
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 167-7066792-21
Manufacturer: Naval Sea Systems Command
General Description
The Shaft,straight, cataloged under National Stock Number 3040-01-497-8525, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
3040-01-497-8525
Primary Part Number
167-7066792-21
Item Name
Shaft,straight
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
First End Diameter
0.4970 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN
First End Slot Width
0.125 INCHES NOMINAL IN
First End Style
SLOTTED AND INTERNALLY THREADED
First End Internal Thread Length
0.310 INCHES MINIMUM IN
Material Document and Classification
QQ-B-750,CHPSN-A,TEM-HARD FED STD ALL MATERIAL RESPONSES
End Similarity
IDENTICAL
First End Slot Depth
0.380 INCHES NOMINAL IN
Material
COPPER ALLOY
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 Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-497-8537167-7066792-74POSSIBLE MATCH
SHAFT,STRAIGHT
Possible match (shared part number)Naval Sea Systems Command
3040-01-497-8573167-7066792-52POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Naval Sea Systems Command
3040-01-497-8590167-7066792-53POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Naval Sea Systems Command
3020-01-497-8716167-7066792-51POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Naval Sea Systems Command
3020-01-497-9064167-7066792-49POSSIBLE MATCH
GEAR SECTOR,SPUR
Possible match (shared part number)Naval Sea Systems Command
3040-01-497-9966H547-1117-89POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
5340-01-643-5977167-7066792-145POSSIBLE MATCH
BRACKET,MOUNTING
Possible match (shared part number)Naval Sea Systems Command
5310-01-719-7201167-7066792-177POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
NSN 3040-01-497-8525 is a Shaft,straight, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-497-8525?
NSN 3040-01-497-8525 has 1 manufacturer part number on file: 167-7066792-21 (Naval Sea Systems Command).
What NSN replaces 3040-01-497-8525?
8 possible matches (shared part number, not a government interchangeability claim): 3040-01-497-8537, 3040-01-497-8573, 3040-01-497-8590. Verify interchangeability with system specifications before substitution.
What are the specifications of 167-7066792-21?
Key specifications for 167-7066792-21: First End Diameter: 0.4970 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN; First End Slot Width: 0.125 INCHES NOMINAL IN; First End Style: SLOTTED AND INTERNALLY THREADED; First End Internal Thread Length: 0.310 INCHES MINIMUM IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-497-8525 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.