NSN 3040-01-503-2904 · NIIN 015032904 · Part number 596-7410248-A13
Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3040-01-503-2904 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-503-2904. Manufacturer of record part number: 596-7410248-A13.
Also searched as3040-01-503-2904 ·
3040015032904 ·
NIIN 015032904 ·
01-503-2904 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 596-7410248-A13 · 7410248 · B831-9512-A13
Material Document and Classification: QQ-S-766, CLASS 304, ANNEALED, FINISH 1 FED SPEC SINGLE MATERIAL RESPONSE
Fulcrum Bore Shape: PLAIN
Bore Diameter: 1.000 INCHES NOMINAL IN
Material: STEEL CORROSION RESISTING
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 3040-01-503-2904
NIIN: 015032904
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 596-7410248-A13
Manufacturer: Naval Sea Systems Command
General Description
The Bell Crank, cataloged under National Stock Number 3040-01-503-2904, 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 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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
3040-01-503-2904
Primary Part Number
596-7410248-A13
Item Name
Bell Crank
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Bore Length
2.875 INCHES NOMINAL IN
Material Document and Classification
QQ-S-766, CLASS 304, ANNEALED, FINISH 1 FED SPEC SINGLE MATERIAL RESPONSE
Fulcrum Bore Shape
PLAIN
Bore Diameter
1.000 INCHES NOMINAL IN
Material
STEEL CORROSION RESISTING
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 Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3010-01-503-8642596-7410248-68POSSIBLE MATCH
UNIVERSAL JOINT,NONVEHICULAR
Possible match (shared part number)Naval Sea Systems Command
3040-01-504-2147B831-9512-A1POSSIBLE MATCH
ACTUATOR,MECHANICAL,NONAIRCRAFT
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-504-2171B831-9512-A3POSSIBLE MATCH
ACTUATOR,MECHANICAL,NONAIRCRAFT
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-504-2173B831-9512-A2POSSIBLE MATCH
ACTUATOR,MECHANICAL,NONAIRCRAFT
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3010-01-504-2175B831-9512-A5POSSIBLE MATCH
DRIVE UNIT,ANGLE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3010-01-504-2177B831-9512-A6POSSIBLE MATCH
DRIVE UNIT,ANGLE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
2010-01-525-1031596-7410248-A9POSSIBLE MATCH
BEARING AND SHAFT ASSEMBLY
Possible match (shared part number)Naval Sea Systems Command
2010-01-525-1050596-7410248-A10POSSIBLE MATCH
BEARING AND SHAFT ASSEMBLY
Possible match (shared part number)Naval Sea Systems Command
2010-01-525-1062596-7410248-A11POSSIBLE MATCH
BEARING AND SHAFT ASSEMBLY
Possible match (shared part number)Naval Sea Systems Command
NSN 3040-01-503-2904 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 3040-01-503-2904?
NSN 3040-01-503-2904 has 1 manufacturer part number on file: 596-7410248-A13 (Naval Sea Systems Command).
What NSN replaces 3040-01-503-2904?
9 possible matches (shared part number, not a government interchangeability claim): 3010-01-503-8642, 3040-01-504-2147, 3040-01-504-2171. Verify interchangeability with system specifications before substitution.
What are the specifications of 596-7410248-A13?
Key specifications for 596-7410248-A13: Bore Length: 2.875 INCHES NOMINAL IN; Material Document and Classification: QQ-S-766, CLASS 304, ANNEALED, FINISH 1 FED SPEC SINGLE MATERIAL RESPONSE; Fulcrum Bore Shape: PLAIN; Special Features: THIS ASSEMBLY IS A TWO PIECE CONSTRUCTION ATTACHED BY THREE SELF LOCKING SCREWS; USED ON THE 3RD PLATFORM BRIDGING TRACK, CARGO BAY. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-503-2904 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.