NSN 3040-01-491-3369 · NIIN 014913369 · Part number 167-6985306 PART 32
Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3040-01-491-3369 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-491-3369. Manufacturer of record part number: 167-6985306 PART 32.
Also searched as3040-01-491-3369 ·
3040014913369 ·
NIIN 014913369 ·
01-491-3369 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 167-6985306 PART 32 · H542-1701 PART 32 · H542-1701 · 6985306
Nearby stock numbers← 3040-01-491-3367 Lever Assembly, Manual Control
·
3040-01-491-3625 Shaft, Shouldered →
Features
Worm Shaft — FSC 3040
Shaft Location: BOTH ENDS OF WORM
Worm Thread Lead: 0.4375 INCHES NOMINAL IN
Worm Pitch Diameter: 1.5000 INCHES NOMINAL IN
Worm Outside Diameter: 1.7790 INCHES NOMINAL IN
End Similarity: IDENTICAL
Shaft Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
Worm Helix Angle: 5 DEG 18 MIN
Identification
NSN: 3040-01-491-3369
NIIN: 014913369
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 167-6985306 PART 32
Manufacturer: Naval Sea Systems Command
General Description
The Worm Shaft, cataloged under National Stock Number 3040-01-491-3369, 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 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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
3040-01-491-3369
Primary Part Number
167-6985306 PART 32
Item Name
Worm Shaft
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Shaft Location
BOTH ENDS OF WORM
Worm Thread Lead
0.4375 INCHES NOMINAL IN
Worm Pitch Diameter
1.5000 INCHES NOMINAL IN
Worm Outside Diameter
1.7790 INCHES NOMINAL IN
End Similarity
IDENTICAL
Shaft Hardness Rating
40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
Worm Helix Angle
5 DEG 18 MIN
Material
STEEL CORROSION RESISTING
Worm Thread Quantity
1
Worm Thread Direction
RIGHT-HAND
Worm Pressure Angle in Deg
14.083
Worm Body Tapered Bearing Surface End
NOT PROVIDED
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.
3020-01-491-3433167-6985306 PART 35POSSIBLE MATCH
GEAR SECTOR,BEVEL
Possible match (shared part number)Naval Sea Systems Command
3020-01-491-3437167-6985306 PART 36POSSIBLE MATCH
GEAR SECTOR,BEVEL
Possible match (shared part number)Naval Sea Systems Command
3020-01-491-3440167-6985306 PART 37POSSIBLE MATCH
GEAR SECTOR,BEVEL
Possible match (shared part number)Naval Sea Systems Command
5360-01-491-3576167-6985306 PART 88POSSIBLE MATCH
SPRING,HELICAL,TORSION
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-6625167-6985306 PART 28POSSIBLE MATCH
DOG,DOOR,MARINE
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-6631167-6985306 PART 30POSSIBLE MATCH
DOG,DOOR,MARINE
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-6634167-6985306 PART 29POSSIBLE MATCH
DOG,DOOR,MARINE
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-6944167-6985306 PART 94POSSIBLE MATCH
SHOE,DOG,DOOR,MARINE
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-6961167-6985306 PART 14POSSIBLE MATCH
SPIDER,DOG,SCUTTLE
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-7434167-6985306 PART A1POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)Naval Sea Systems Command
NSN 3040-01-491-3369 is a Worm Shaft, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-491-3369?
NSN 3040-01-491-3369 has 1 manufacturer part number on file: 167-6985306 PART 32 (Naval Sea Systems Command).
What NSN replaces 3040-01-491-3369?
11 possible matches (shared part number, not a government interchangeability claim): 3020-01-491-3433, 3020-01-491-3437, 3020-01-491-3440. Verify interchangeability with system specifications before substitution.
What are the specifications of 167-6985306 PART 32?
Key specifications for 167-6985306 PART 32: Shaft Location: BOTH ENDS OF WORM; Worm Thread Lead: 0.4375 INCHES NOMINAL IN; Overall Length: 15.2500 INCHES NOMINAL IN; Worm Pitch Diameter: 1.5000 INCHES NOMINAL IN. 12 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-491-3369 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.