FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Adapter,spline, cataloged under National Stock Number 3040-01-422-7797, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
3040-01-422-7797
Item Name
Adapter,spline
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Status
ACTIVE
Spline Type
EXTERNAL
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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-422-779821-230-002POSSIBLE MATCH
PLATE,BACKING,BRAKE
Possible match (shared part number)Zf Off-Highway Solutions Minnesota Inc
3040-01-422-779940-230-144POSSIBLE MATCH
PLATE,BACKING,BRAKE
Possible match (shared part number)Zf Off-Highway Solutions Minnesota Inc
3040-01-422-875740-230-128POSSIBLE MATCH
PLATE,PRESSURE,DISC BRAKE
Possible match (shared part number)Zf Off-Highway Solutions Minnesota Inc
3040-01-423-185640-180-265POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Zf Off-Highway Solutions Minnesota Inc
3040-01-429-430313-52-044POSSIBLE MATCH
BRAKE,MULTIPLE DISK
Possible match (shared part number)Zf Off-Highway Solutions Minnesota Inc
7025-01-506-0736POSSIBLE MATCH
DISK DRIVE UNIT
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
40-180-204
3/2Design control — primary reference
U.S. Government activity
X-6295 PC-14
5/2Secondary reference
U.S. Government activity
X-6295
D/9Drawing number reference only
U.S. Government activity
Related Parts
3040-01-422-7798POSSIBLE MATCH
PLATE,BACKING,BRAKE
21-230-002
3040-01-422-7799POSSIBLE MATCH
PLATE,BACKING,BRAKE
40-230-144
3040-01-422-8757POSSIBLE MATCH
PLATE,PRESSURE,DISC BRAKE
40-230-128
3040-01-423-1856POSSIBLE MATCH
SHAFT,SHOULDERED
40-180-265
3040-01-429-4303POSSIBLE MATCH
BRAKE,MULTIPLE DISK
13-52-044
7025-01-506-0736POSSIBLE MATCH
DISK DRIVE UNIT
Frequently Asked Questions
What is NSN 3040-01-422-7797?
NSN 3040-01-422-7797 is a Adapter,spline, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What NSN replaces 3040-01-422-7797?
6 possible matches (shared part number, not a government interchangeability claim): 3040-01-422-7798, 3040-01-422-7799, 3040-01-422-8757. Verify interchangeability with system specifications before substitution.
What are the specifications of 3040-01-422-7797?
Key specifications for 3040-01-422-7797: Spline Type: EXTERNAL; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 1 specification is documented in the U.S. Government catalog.
Is NSN 3040-01-422-7797 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.