NSN 3040-01-496-0661 · NIIN 014960661 · Part number 167-6985280-52
Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3040-01-496-0661 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-496-0661. Manufacturer of record part number: 167-6985280-52.
Also searched as3040-01-496-0661 ·
3040014960661 ·
NIIN 014960661 ·
01-496-0661 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 167-6985280-52 · H541-0252-52 · H541-0252 · 167-6985280
First End Spline Major Diameter: 0.8720 INCHES MINIMUM AND 0.8730 INCHES MAXIMUM IN
Second End Diameter: 0.8800 INCHES NOMINAL IN
Second End Spline Minor Diameter: 0.7370 INCHES MINIMUM AND 0.7470 INCHES MAXIMUM IN
First End Style: SPLINED (STRAIGHT)
Second End Spline Major Diameter: 0.8720 INCHES MINIMUM AND 0.8730 INCHES MAXIMUM IN
Material Document and Classification: QQ-N286, FORM-2 NATIONAL SPEC ALL MATERIAL RESPONSES
Identification
NSN: 3040-01-496-0661
NIIN: 014960661
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 167-6985280-52
Manufacturer: Naval Sea Systems Command
General Description
The Shaft,straight, cataloged under National Stock Number 3040-01-496-0661, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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
3040-01-496-0661
Primary Part Number
167-6985280-52
Item Name
Shaft,straight
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
First End Diameter
0.8800 INCHES NOMINAL IN
First End Spline Major Diameter
0.8720 INCHES MINIMUM AND 0.8730 INCHES MAXIMUM IN
Second End Diameter
0.8800 INCHES NOMINAL IN
Second End Spline Minor Diameter
0.7370 INCHES MINIMUM AND 0.7470 INCHES MAXIMUM IN
First End Style
SPLINED (STRAIGHT)
Second End Spline Major Diameter
0.8720 INCHES MINIMUM AND 0.8730 INCHES MAXIMUM IN
Material Document and Classification
QQ-N286, FORM-2 NATIONAL SPEC ALL MATERIAL RESPONSES
First End Spline Length
3.380 INCHES NOMINAL IN
First End Spline Quantity
10
End Similarity
IDENTICAL
Second End Spline Quantity
10
Second End Style
SPLINED (STRAIGHT)
First End Spline Minor Diameter
0.7270 INCHES MINIMUM AND 0.7320 INCHES MAXIMUM IN
Material
NICKEL ALLOY 502
Second End Spline Length
1.620 INCHES NOMINAL 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 Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3120-01-496-3040KNRJ26V-048-8POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Kamatics Corporation
2040-01-496-4086167-6985280-A2POSSIBLE MATCH
STUFFING BOX AND BEARING,RUDDER
Possible match (shared part number)Naval Sea Systems Command
4710-01-496-4532H541-252-A3POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
5365-01-496-4926167-6985280-62POSSIBLE MATCH
SPACER,RING
Possible match (shared part number)Naval Sea Systems Command
5365-01-496-4928167-6985280-99POSSIBLE MATCH
SPACER,RING
Possible match (shared part number)Naval Sea Systems Command
5365-01-496-4930167-6985280-7POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
5365-01-496-4934167-6985280-5POSSIBLE MATCH
SPACER,STRAIGHT
Possible match (shared part number)Naval Sea Systems Command
3040-01-497-3139167-6985280-19POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Naval Sea Systems Command
5342-01-497-4831167-6985280-17POSSIBLE MATCH
BELLOWS,PROTECTION
Possible match (shared part number)Naval Sea Systems Command
5365-01-497-4838167-6985280-46POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
NSN 3040-01-496-0661 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 3040-01-496-0661?
NSN 3040-01-496-0661 has 1 manufacturer part number on file: 167-6985280-52 (Naval Sea Systems Command).
What NSN replaces 3040-01-496-0661?
11 possible matches (shared part number, not a government interchangeability claim): 3120-01-496-3040, 2040-01-496-4086, 4710-01-496-4532. Verify interchangeability with system specifications before substitution.
What are the specifications of 167-6985280-52?
Key specifications for 167-6985280-52: First End Diameter: 0.8800 INCHES NOMINAL IN; First End Spline Major Diameter: 0.8720 INCHES MINIMUM AND 0.8730 INCHES MAXIMUM IN; Second End Diameter: 0.8800 INCHES NOMINAL IN; Second End Spline Minor Diameter: 0.7370 INCHES MINIMUM AND 0.7470 INCHES MAXIMUM IN. 15 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-496-0661 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.