NSN 3040-00-652-8945 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-652-8945. Manufacturer of record part number: SM-C-321390.
Also searched as3040-00-652-8945 ·
3040006528945 ·
NIIN 006528945 ·
00-652-8945 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53260 · SM-C-321390 · 60067A · 60067
Largest Step Diameter: 0.310 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN
First End Style: SLOTTED
End Similarity: IDENTICAL
1 manufacturer part number on file
Manufacturer of record: Loar Manufacturing Corp
Identification
NSN: 3040-00-652-8945
NIIN: 006528945
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: SM-C-321390
Manufacturer: Loar Manufacturing Corp
General Description
The Shaft,shouldered, cataloged under National Stock Number 3040-00-652-8945, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Loar Manufacturing Corp. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
3040-00-652-8945
Primary Part Number
SM-C-321390
Item Name
Shaft,shouldered
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Loar Manufacturing Corp
Status
ACTIVE
Step Quantity
3
Largest Step Diameter
0.310 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN
First End Style
SLOTTED
End Similarity
IDENTICAL
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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5998-00-867-031760067POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)Eldec Aerospace Corp
5330-01-077-468060067POSSIBLE MATCH
GASKET
Possible match (shared part number)Griswold Industries Dba Cla-Val Co
9540-01-087-709860-12678POSSIBLE MATCH
ANGLE,STRUCTURAL
Possible match (shared part number)Transtar Metals Corp
5330-01-207-133660067POSSIBLE MATCH
SEAL
Possible match (shared part number)Marine Travelift Inc
6635-01-323-664160067POSSIBLE MATCH
DETECTOR,MOISTURE CONTENT
Possible match (shared part number)Air Techniques, Inc.
5330-01-645-193160067POSSIBLE MATCH
SEAL,NONMETALLIC SPECIAL SHAPED
Possible match (shared part number)Grove U.s. Llc Dba Grove Us Llc
3040-01-732-525260067POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Md Helicopters Inc
NSN 3040-00-652-8945 is a Shaft,shouldered, manufactured by Loar Manufacturing Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-00-652-8945?
NSN 3040-00-652-8945 has 1 manufacturer part number on file: SM-C-321390 (Loar Manufacturing Corp).
What NSN replaces 3040-00-652-8945?
7 possible matches (shared part number, not a government interchangeability claim): 5998-00-867-0317, 5330-01-077-4680, 9540-01-087-7098. Verify interchangeability with system specifications before substitution.
What are the specifications of SM-C-321390?
Key specifications for SM-C-321390: Step Quantity: 3; Largest Step Diameter: 0.310 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN; First End Style: SLOTTED; End Similarity: IDENTICAL. 4 specifications are documented in the U.S. Government catalog.
Is NSN 3040-00-652-8945 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.