PartsTable TECHNICAL DATA SHEET
NSN 3040-01-496-0661Government record, cited

Shaft, Straight3040-01-496-0661

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 as  3040-01-496-0661 · 3040014960661 · NIIN 014960661 · 01-496-0661 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 167-6985280-52 · H541-0252-52 · H541-0252 · 167-6985280
Nearby stock numbers  ·
Features
  • Shaft,straight — FSC 3040
  • 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
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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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
ParameterValue
NSN3040-01-496-0661
Primary Part Number167-6985280-52
Item NameShaft,straight
FSC / FSG3040 / 30 — Miscellaneous Power Transmission Equipment
ManufacturerNaval Sea Systems Command
StatusACTIVE
First End Diameter0.8800 INCHES NOMINAL IN
First End Spline Major Diameter0.8720 INCHES MINIMUM AND 0.8730 INCHES MAXIMUM IN
Second End Diameter0.8800 INCHES NOMINAL IN
Second End Spline Minor Diameter0.7370 INCHES MINIMUM AND 0.7470 INCHES MAXIMUM IN
First End StyleSPLINED (STRAIGHT)
Second End Spline Major Diameter0.8720 INCHES MINIMUM AND 0.8730 INCHES MAXIMUM IN
Material Document and ClassificationQQ-N286, FORM-2 NATIONAL SPEC ALL MATERIAL RESPONSES
First End Spline Length3.380 INCHES NOMINAL IN
First End Spline Quantity10
End SimilarityIDENTICAL
Second End Spline Quantity10
Second End StyleSPLINED (STRAIGHT)
First End Spline Minor Diameter0.7270 INCHES MINIMUM AND 0.7320 INCHES MAXIMUM IN
MaterialNICKEL ALLOY 502
Second End Spline Length1.620 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3120-01-496-3040KNRJ26V-048-8 POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Kamatics Corporation
2040-01-496-4086167-6985280-A2 POSSIBLE MATCH
STUFFING BOX AND BEARING,RUDDER
Possible match (shared part number)Naval Sea Systems Command
4710-01-496-4532H541-252-A3 POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
5365-01-496-4926167-6985280-62 POSSIBLE MATCH
SPACER,RING
Possible match (shared part number)Naval Sea Systems Command
5365-01-496-4928167-6985280-99 POSSIBLE MATCH
SPACER,RING
Possible match (shared part number)Naval Sea Systems Command
5365-01-496-4930167-6985280-7 POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
5365-01-496-4934167-6985280-5 POSSIBLE MATCH
SPACER,STRAIGHT
Possible match (shared part number)Naval Sea Systems Command
3040-01-497-3139167-6985280-19 POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Naval Sea Systems Command
5342-01-497-4831167-6985280-17 POSSIBLE MATCH
BELLOWS,PROTECTION
Possible match (shared part number)Naval Sea Systems Command
5365-01-497-4838167-6985280-46 POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
167-6985280-52 PRIMARY Naval Sea Systems Command (USA)
Reference documents
ReferenceMeaning
H541-0252-52 5/2 Secondary reference
U.S. Government activity
H541-0252 D/9 Drawing number reference only
U.S. Government activity
167-6985280 D/9 Drawing number reference only
Naval Sea Systems Command
Related Parts
3120-01-496-3040POSSIBLE MATCH
BEARING,SLEEVE
KNRJ26V-048-8
2040-01-496-4086POSSIBLE MATCH
STUFFING BOX AND BEARING,RUDDER
167-6985280-A2
4710-01-496-4532POSSIBLE MATCH
TUBE ASSEMBLY,METAL
H541-252-A3
5365-01-496-4926POSSIBLE MATCH
SPACER,RING
167-6985280-62
5365-01-496-4928POSSIBLE MATCH
SPACER,RING
167-6985280-99
5365-01-496-4930POSSIBLE MATCH
SPACER,SLEEVE
167-6985280-7
5365-01-496-4934POSSIBLE MATCH
SPACER,STRAIGHT
167-6985280-5
3040-01-497-3139POSSIBLE MATCH
SHAFT,SHOULDERED
167-6985280-19
5342-01-497-4831POSSIBLE MATCH
BELLOWS,PROTECTION
167-6985280-17
5365-01-497-4838POSSIBLE MATCH
SPACER,SLEEVE
167-6985280-46
5365-01-497-4844POSSIBLE MATCH
SPACER,SLEEVE
167-6985280-34

Frequently Asked Questions

What is NSN 3040-01-496-0661?

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.
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