NSN 3040-01-487-2251 · NIIN 014872251 · Part number 122-6776881 PC 18
Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3040-01-487-2251 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-487-2251. Manufacturer of record part number: 122-6776881 PC 18.
Also searched as3040-01-487-2251 ·
3040014872251 ·
NIIN 014872251 ·
01-487-2251 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 122-6776881 PC 18 · 6776881
Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 5.875 INCHES NOMINAL ALL ENDS IN
End Hole/ball Diameter: 0.767 INCHES NOMINAL ALL ENDS IN
Style Designator: FLAT, ONE OR MORE HOLES BOTH ARMS
Material Document and Classification: QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE
Surface Treatment: PAINT
Material: STEEL
1 manufacturer part number on file
Identification
NSN: 3040-01-487-2251
NIIN: 014872251
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 122-6776881 PC 18
Manufacturer: Naval Sea Systems Command
General Description
The Bell Crank, cataloged under National Stock Number 3040-01-487-2251, 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 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
3040-01-487-2251
Primary Part Number
122-6776881 PC 18
Item Name
Bell Crank
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball
5.875 INCHES NOMINAL ALL ENDS IN
End Hole/ball Diameter
0.767 INCHES NOMINAL ALL ENDS IN
Style Designator
FLAT, ONE OR MORE HOLES BOTH ARMS
Material Document and Classification
QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE
Surface Treatment
PAINT
Material
STEEL
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.
3040-01-487-2252122-6776881 PC 17POSSIBLE MATCH
BELL CRANK
Possible match (shared part number)Naval Sea Systems Command
3040-01-487-2269122-6776881 PC 14POSSIBLE MATCH
BELL CRANK
Possible match (shared part number)Naval Sea Systems Command
5340-01-488-4800122-6776881 PC 39POSSIBLE MATCH
CLEVIS,ROD END
Possible match (shared part number)Naval Sea Systems Command
5340-01-488-4873122-6776881 PC 44POSSIBLE MATCH
CONNECTOR,ROD END
Possible match (shared part number)Naval Sea Systems Command
5340-01-488-5706122-6776881PC8POSSIBLE MATCH
ROD,STRAIGHT,HEADLESS
Possible match (shared part number)Naval Sea Systems Command
5340-01-488-8677122-6776881PC34POSSIBLE MATCH
CLEVIS,ROD END
Possible match (shared part number)Naval Sea Systems Command
NSN 3040-01-487-2251 is a Bell Crank, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-487-2251?
NSN 3040-01-487-2251 has 1 manufacturer part number on file: 122-6776881 PC 18 (Naval Sea Systems Command).
What NSN replaces 3040-01-487-2251?
6 possible matches (shared part number, not a government interchangeability claim): 3040-01-487-2252, 3040-01-487-2269, 5340-01-488-4800. Verify interchangeability with system specifications before substitution.
What are the specifications of 122-6776881 PC 18?
Key specifications for 122-6776881 PC 18: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 5.875 INCHES NOMINAL ALL ENDS IN; End Hole/ball Diameter: 0.767 INCHES NOMINAL ALL ENDS IN; Style Designator: FLAT, ONE OR MORE HOLES BOTH ARMS; Material Document and Classification: QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE. 6 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-487-2251 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.